Class 11 Chemistry | Structure of Atom | Planck's Quantum Theory | Photoelectric Effect | Ashu Sir

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  • เผยแพร่เมื่อ 10 ก.พ. 2025

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  • @LearnandFunClass12
    @LearnandFunClass12  2 ปีที่แล้ว +159

    BELIEVERS BATCH Google Form - forms.gle/PX1uZApohdDFdjTE73.
    📌Class 11 Detailed Lectures Playlists:
    Biology - th-cam.com/play/PL5rBp3kXkJdAMYHBkYj5zR3E4Jxy0sIgK.html
    Physics - th-cam.com/play/PL5rBp3kXkJdB1FyINZNL-cSXF4tiHb7xE.html

    • @manpiyush7871
      @manpiyush7871 2 ปีที่แล้ว +3

      Sir yeh doubt session KB aayega m apne doubt find kr rahiungi

    • @pranjal.1.a
      @pranjal.1.a 2 ปีที่แล้ว

      sir isme v-v. ka matlab hi kinetic energy hua ha matlab indirectly equal
      and sir jo last lecture ka d-orbital wala structure apne btaya tha uska dz^2 wale me donut wali shape ane ka kya reason ha ?
      Sir mane 20 tak yaad ker rakhi thi elements from periodic table but 21-30 it's difficult to learn it's not like I can't learn, but it's somewhere like exception is something chemistry is made up of

    • @manpiyush7871
      @manpiyush7871 2 ปีที่แล้ว +1

      @@Funypodcast07 khelta tha

    • @mannpandya263
      @mannpandya263 2 ปีที่แล้ว

      Sir visible radiation are more stronger then microwaves then why microwave oven me khana garam ho jata hai or visible se nahi hota

    • @Sk.lightgamer
      @Sk.lightgamer 2 ปีที่แล้ว +2

      Sir formmula of photo electric effect bilkul samjh nahi aya plz once more

  • @tejaschaturvedi166
    @tejaschaturvedi166 2 ปีที่แล้ว +560

    The best chemistry teacher in the whole TH-cam......
    Thank you sir!

  • @KrishnaBhardwaj3128
    @KrishnaBhardwaj3128 9 หลายเดือนก่อน +5

    The video discusses Planck's quantum theory and the photoelectric effect, highlighting that energy is quantized and the energy of a photon is directly proportional to its frequency.
    Key moments:
    00:00 The video discusses the Structure of Atom, focusing on lecture number five about the photoelectric effect and Planck's quantum theory, emphasizing the quantization of energy in electromagnetic waves.
    -The importance of understanding the relationship between Rutherford's model and the quantum models for a comprehensive grasp of atomic structure.
    -Exploring the concept of quantized energy in electromagnetic waves and how Max Planck's quantum theory revolutionized the understanding of energy.
    -Distinguishing between different types of electromagnetic waves like ultraviolet, visible light, and radio waves, highlighting their unique properties.
    06:05 Energy is quantized into small parts known as quantum, where each quantum's energy is directly proportional to its frequency, impacting electromagnetic waves and cosmic rays.
    -Explanation of how energy is quantized into small parts called quantum and its relationship with frequency in electromagnetic waves and cosmic rays.
    -Importance of understanding the direct proportionality between energy and frequency in electromagnetic waves and cosmic rays for scientific experiments and calculations.
    12:59 The video discusses the concepts of radiation content, quantum theory, and photoelectric effect in relation to energy and electron extraction. It emphasizes the importance of understanding energy levels for electron extraction from metals.
    -Quantum theory and its relation to energy levels and radiation content are explained, highlighting the significance of energy in matter transformation.
    -The video delves into the photoelectric effect, discussing the extraction of electrons from metals based on energy requirements and ease of extraction.
    -The importance of understanding electron extraction from metals for electronics and the role of energy levels in this process is emphasized for efficient electron extraction.
    20:39 Children in Delhi have a strong affinity for momos, even to the extent of being lured or kidnapped with them, showcasing a unique cultural phenomenon.
    -Cultural fascination with momos in Delhi, leading to children being easily influenced or manipulated by them.
    -Discussion on the extraction of electrons and the photoelectric effect in physics, referencing Maxwell and Einstein's contributions.
    -Explanation of minimum energy requirements for extracting electrons and the concept of work function in physics.
    32:21 Understanding the photoelectric effect involves different perspectives. Albert Einstein's view on the effect differs, emphasizing electromagnetic radiation and electron collision.
    -Different perspectives on understanding concepts like the Earth's magnetic field. Various interpretations lead to diverse thoughts and discussions.
    -Exploring how individuals' backgrounds and interests influence their creative processes. Examples include car enthusiasts and cricket fans.
    36:04 The video discusses the transfer of energy through electromagnetic waves and the collision of electrons in photos, emphasizing the relationship between intensity and the number of photos. It also touches on the photoelectric effect and upcoming celebrations like Rakshabandhan.
    -Explaining the relationship between the number of photos and intensity in electron collisions, highlighting the concept of energy transfer and electron behavior.
    -Discussing the photoelectric effect and how taking photos can lead to electron movement, illustrating the process with a thread analogy.
    -Mentioning the upcoming festival of Rakshabandhan and encouraging viewers to celebrate and engage in activities like studying and reviewing.
    Generated by sider.ai

  • @KiranSharma-qc9yo
    @KiranSharma-qc9yo 9 หลายเดือนก่อน +315

    20:10 momos wala example hits different...😂👀👍🏻

    • @simpkro8432
      @simpkro8432 8 หลายเดือนก่อน +15

      tru brow ladki se ladka bna diya kyuki violence tha

    • @deepakchaudhary9682
      @deepakchaudhary9682 6 หลายเดือนก่อน +1

      Yess😂

    • @ReshmiSawant-g2p
      @ReshmiSawant-g2p 6 หลายเดือนก่อน +1

      😂

    • @learnwithme88
      @learnwithme88 3 หลายเดือนก่อน

      I am from Indore my answer is no because there are many so much item to eat
      24:41

    • @Swar_Shar
      @Swar_Shar 3 หลายเดือนก่อน

      ​@@learnwithme88 obviously sev in everything
      I am also indori

  • @rajeshkumar-dl8fl
    @rajeshkumar-dl8fl ปีที่แล้ว +304

    Lecture Aisa do ki char log nhi lakhon bache ke paas koi doubt hi na reh jaye
    Salute to you sir🙏🙏

  • @ShreyMainkar
    @ShreyMainkar ปีที่แล้ว +119

    The way you teach there's no chance of doubts

  • @moureen03wahlang16
    @moureen03wahlang16 7 หลายเดือนก่อน +40

    21:50...yes sir in our state Meghalaya (shillong)we loves momo alot.....

  • @kapilthearmy8682
    @kapilthearmy8682 2 ปีที่แล้ว +506

    Sir lectures hi itne acche ki doubts poochne ke liye ke liye koi doubt hi ni hota😅

  • @ronysharma5848
    @ronysharma5848 6 หลายเดือนก่อน +17

    Salute to the one who created this playlist 🙂

  • @shahilguptastd8419
    @shahilguptastd8419 2 ปีที่แล้ว +19

    Sir aap itane clear tarike se chapter explain karate hai ki doubt bahut na ke barabar hota hai aur kisi me to double hi nahi aata sub kaam focus ka hai hame ummed hai ki aap Kam se Kam time period me class 11th silebus complete Kara denge you are my best TH-cam teacher

  • @PriyabratTrueman
    @PriyabratTrueman ปีที่แล้ว +29

    27:47
    Sir i think it should be minimum frequency instead of minimum energy
    In threshold frequency's definition because than there will be no difference between work function w• and threshold frequency nhv• ☢️

  • @ayushavisekhdas695
    @ayushavisekhdas695 หลายเดือนก่อน +3

    00:00​ Introduction
    02:05​ Plank's quantum theory
    16:28​ Photo-electric effect

  • @Kianaa529
    @Kianaa529 2 ปีที่แล้ว +32

    24:32 literally I am writing this as note: kamsekam energy is required to eject electron it is known as work function..
    then I realize ye to hindi+English=Hinglish language hai🤣🤣

  • @Divikbiswas
    @Divikbiswas ปีที่แล้ว +48

    A beautiful and easy explanation of such an complex topic ❤❤

  • @Ajayboy1707
    @Ajayboy1707 5 หลายเดือนก่อน +4

    ॐ कृष्णाय वासुदेवाय हरये परमात्मने | प्रणतः क्लेशनाशाय गोविंदाय नमो नमः

  • @soyabkhan10b57
    @soyabkhan10b57 2 ปีที่แล้ว +19

    Sir, I have a question about quantum theory, which of these quantum theory is most considerable?

    • @geetasharma9904
      @geetasharma9904 ปีที่แล้ว +1

      Most probably Einstein's theory
      Kyu ki Hertz k according electron tb emit hoga jb uski freq match hogi tb tk wo energy absorb karta rhega
      Like: agr uski v° 50 hz h to tum 10 hz ki dalo to wo absorb krti rhegi jb tk 50 tk na pahuch jaye which will take sometime gap

    • @geetasharma9904
      @geetasharma9904 ปีที่แล้ว +1

      Pr reality m wo koi time gap nhi leta photon dlte hi electron emit kr jata h agr threshold freq jitni h jo einstein n plank ki theory ki help s prove juya tha

    • @geetasharma9904
      @geetasharma9904 ปีที่แล้ว +1

      Ki energy packet photon ki form m travel krta h naki wave ki ki absorb krte rho to packet girega or ee emit

    • @geetasharma9904
      @geetasharma9904 ปีที่แล้ว +1

      Phir bhi smjh na aye to rhne do useful nhih higher classes m smjh ajayega

  • @ariba2467
    @ariba2467 2 ปีที่แล้ว +30

    Sir ap itna acha explain krte ho,, doubts rehte hi nahi ❤️

  • @weare5540
    @weare5540 2 ปีที่แล้ว +8

    Sir ap questions bhi zayada Karaya Karo jis se concept aur clear ho ..kyuki mujhe lagta hai ki ham jab questions topic ke sath karte hai na tho hamare pakar us topic pe zada ho jate hai ..aur concept aur clear hota hai
    Jasse ap neh aj jo topics karaye agar is ke sath questions bhi hote tho aur zayada pakad ban jate sath he sath topic ke ...sir this is an request sir plz questions bhi karaya kare sath he sath ....aur har chapter clear honeh ke baad questions ka bhi session kara diya kare....
    Abhi (j and k)

  • @prabhleenkaur476
    @prabhleenkaur476 2 ปีที่แล้ว +16

    Is there any difference between threshold frequency , work function and ionization energy ? Please clear this once .

    • @BalwinderSingh-tg4ds
      @BalwinderSingh-tg4ds 2 ปีที่แล้ว +1

      Yes ?

    • @rajnandini_158
      @rajnandini_158 2 ปีที่แล้ว +2

      Ionization energy can be of two types in metals... metals can have low and high ionization energy. Now, the metals having low ionization energy is those in the first and the second grp. Because of the large size they can get off with their e- easily. Work function and threshold frequency are the same because :- it is the minimum frequency to eject electron from the metal. So, ionization energy is a whole diff. Thing here

    • @jayantihooda6758
      @jayantihooda6758 2 ปีที่แล้ว +2

      Work function and ioinization energy are same ...work function is used in physics and ionization ener. Is used in chemistry.
      Now come on threshold frequency - this is mini. Frequency required to eject elec. .
      Frequency and ionization energy are different here. Frequency is more in a wave then energy is also high .

    • @believe_in_shree_krishna
      @believe_in_shree_krishna หลายเดือนก่อน +1

      @@rajnandini_158 no. threshold frequency and work function is not the same... work fuction is minimum energy required and threshold frequency is minimum frequency

  • @55_shwetasuryawanshi40
    @55_shwetasuryawanshi40 2 ปีที่แล้ว +22

    best channel ever ur sir i am from SSC board but then also ur video is like a bless for me earlier in i was in CBSE that time also i use to see ur videos and with that i passed 10th ur are really a god for mr sir and other teachers too, & there is no doubt o us coz ur teaching skills are master that evry hard concept is like a,b,c,d for us thankyou very much sir keep growing ur channel our support is always there. By the way lots of love from maharashtra.🧡😅

    • @VidyaChandgude-em3yr
      @VidyaChandgude-em3yr 7 หลายเดือนก่อน +1

      Hey I'm also frm Maharashtra and was also in cbse board till 10th and now in ssc board in 11th btw I am giving cet + jee main😊😊❤

  • @rajkaurmatharu8224
    @rajkaurmatharu8224 2 ปีที่แล้ว +35

    very good morning/afternoon/evening to u sir
    first of all thank you sooooooo much being bestest teacher i am literally running here&there for tuition but ur the best i am icse student but trust me u are an amazing teacher
    i have little difficulty in this lecture can u please tell me a smiple and elegant defination of photo electric effect
    thank you~

    • @Arcane_4soul
      @Arcane_4soul 2 ปีที่แล้ว +1

      Yahh this is also my question bro

    • @Abdur-rehmaan1
      @Abdur-rehmaan1 ปีที่แล้ว +10

      Are bht easy hai Bhai smjao ki metal ke pass hai electrons aur ham chahte hai ki electrons ko hatyy toh hamm uspe photo's yabi light or radiation uspe chodenge aur metal ko electrons mie ionisation energy rehti hai for eg smjo 20 frequency chahiye electron ko nikal ne k liye toh ham Kay krenge ki light ya koi b radiation 20 frequency se zyada matlab 25,50,60 frequency Wale radiation us metal pe chodenge toh voo radiation k photos vo metal k electron pe laat maar k nikal denge aur thodi si energy niklege ise kinetic energy bolte hai toh k.e = hv-hv⁰ hoga

  • @HanumanBishnoi-d6o
    @HanumanBishnoi-d6o 6 หลายเดือนก่อน +8

    The best chemistry teacher in whole youtube community is aashu sir ❤️🥺❤️
    Thank you sir..!!!

  • @ashalakra1983
    @ashalakra1983 2 ปีที่แล้ว +24

    Sir....we want lectures of physics also, nd sir pls thodi jldi daale lectures coz it's only u for us ❤️✨

  • @BRoKENfromINDIA
    @BRoKENfromINDIA 7 หลายเดือนก่อน +7

    22:00 sir momos ka schedule to apne bata hi diya poora mera😂😂 par ab khana chord diya coz bhot baar khane se throat , stomach infection ho rha tha😢😢

  • @Rana-gw7dx
    @Rana-gw7dx 2 ปีที่แล้ว +27

    Sir, please provide us your lectures pdf.We are totally depend on you sir.

    • @gamingdedly4994
      @gamingdedly4994 ปีที่แล้ว +7

      To likh le jab pdha rha hota hai

    • @Be-insane
      @Be-insane ปีที่แล้ว +4

      ​@@gamingdedly4994shi bola bhai 😂

  • @MohdYahyaPathaan
    @MohdYahyaPathaan 4 หลายเดือนก่อน +2

    40:21 sir aap padhate hi itna badhiya ho ki doubt aayenge aayenge hi nhi all concept are clear 😊

  • @devvats4999
    @devvats4999 2 ปีที่แล้ว +6

    Electromagnetic radiation of wavelength 242nm is just sufficient to ionise sodium atom .then the ionisation energy of sodium in KJ mol^-1 is.SIR PLS ANSWER💯💯

  • @Shreyadubey0717
    @Shreyadubey0717 5 หลายเดือนก่อน +3

    27:48 isme sir ne minimum energy likhe h jbki vo minimum frequeny req to eject an electron called threshold frequeny
    No offense sir ne likhe energy h bas baki bole frequency hi h

  • @onlyforknown
    @onlyforknown 2 ปีที่แล้ว +15

    Sir what is the difference between work function and threshold energy ??

    • @aryanrawat2932
      @aryanrawat2932 2 ปีที่แล้ว +5

      Both are same

    • @adityapal6066
      @adityapal6066 2 ปีที่แล้ว +2

      Work energy is the process of being work or the process of releasing e-
      Threshold frequeny is the minimu m frequency which needs to release the e-

    • @idk-69247
      @idk-69247 2 ปีที่แล้ว +1

      Work energy- lowest energy required to eject an electron
      Threshold frequency- minimum energy req.to eject an electron
      Both r same

  • @Allahiseverything86
    @Allahiseverything86 ปีที่แล้ว +9

    22:00 sir andi mandi sandi cdha ke hta dunga me toh😂😂

  • @reenasrivastav1682
    @reenasrivastav1682 2 ปีที่แล้ว +28

    #question what is difference between threshold frequency and frequency of rediation?????....sir explain the answer

    • @Ankit-Saxena-NIT-Kurukshetra
      @Ankit-Saxena-NIT-Kurukshetra 2 ปีที่แล้ว

      you can refer this video for clear understanding of this topic
      th-cam.com/video/C1PKxL3siC0/w-d-xo.html

    • @pranavbhati3350
      @pranavbhati3350 2 ปีที่แล้ว +1

      Threshold frequency to lowest amount or frequency needed hota h electron nikalne ko or frequency of radiation matlab jitni frequency provide kri ja rhi h....frequency of radiation hamesha threshold frequency se zyada rahega

    • @Ankit-Saxena-NIT-Kurukshetra
      @Ankit-Saxena-NIT-Kurukshetra 2 ปีที่แล้ว +6

      @@pranavbhati3350 frequency of radiation, threshold frequency se more, equal or less kuch bhe ho sakta h.
      Agar frequency of radiation, threshold frequency se kum h so photoelectric effect nhi hoga
      Agar radiation frequency threshold frequency k equal h toh photoelectric effect hoga par KE=0 hoga
      But frequency of radiation threshold frequency se jayada h toh photoelectric effect bhe hoga and electron k pass kinetic energy bhe hogi.
      Let's try to understand with the example
      A student need 30 marks out of 100 marks to pass in a exam.
      Case 1
      If student secure less then 30 marks, student is considered as failed
      Case 2
      If student secure only 30 marks, student is considered as just pass
      Case 3
      If student score more than 30 marks, student consider as pass and bright student.
      Now try to correlate this
      30 marks is threshold frequency because at which student is considered as pass student.
      And whatever marks obtained by student is considered as frequency of incident radiation.
      Now I hope you understand the concept.
      Thank you

    • @sparshsrivastava723
      @sparshsrivastava723 2 ปีที่แล้ว

      frequency of radiation means- for what value did electron is emitting the radiation &
      threshould frequency means- the minimum frequency of the electron of the any substance from which the electron got deaatched from the substance....

    • @Ankit-Saxena-NIT-Kurukshetra
      @Ankit-Saxena-NIT-Kurukshetra 2 ปีที่แล้ว +1

      @@sparshsrivastava723 please correct this one
      Frequency of radiation means- for what value light source is emitting a radiation as EMR

  • @ALLEDITZ19
    @ALLEDITZ19 ปีที่แล้ว +5

    Sir itna acche padhate hay ki doubt puchne Kay liye koi doubt hi nahi hota sir is the best teacher of chemistry on whole TH-cam and nobody is best than sir....😇😇😇😇🔥🔥🔥🔥....

  • @thekarunagupta
    @thekarunagupta 2 ปีที่แล้ว +17

    Sir kisi baalak ko hatana hain toh bandook dikha do usse apne htega🤏🏻😂
    Btw sir I have completed my physics half yearly from your lectures it's too amazing and sir I am now completing my chemistry syllabus also luv you sir...... But I want to tell you one thing please atleast make 1 lecture on numericals also.......🙏🏻❤️

    • @crazyboy2289
      @crazyboy2289 8 หลายเดือนก่อน

      Tumhara baap bhi kabhi dekha hai bandook😂

  • @vanshverma-t5k
    @vanshverma-t5k 4 หลายเดือนก่อน +3

    21:51 not only momos ,i dont eat anything any junk.only organic😁

  • @Kianaa529
    @Kianaa529 2 ปีที่แล้ว +5

    39:41 sir haina doubt,, 1st chp main stoichiometry main hai.. And sir ap jo kuch samjhate ho sab samajh ajata hai or class main jitne bhi numericals karne ko dete ho timing laga kar wo main karne ki koshish karti hoon but mujhse wo solve nahi hote. Phir ap jab explain kar k karate ho phir regret hota hai itna easy to hai kyu nahi kar paai.. I'm very tensed bcoz of this theory clear hai phir bhi question solve kyu nahi horahe😞😟

  • @NishaGargCollection
    @NishaGargCollection 6 หลายเดือนก่อน +2

    11:20 sir isme 6.626*10^-34 aayega exactly to 6.63 to round off ho jaayega

  • @bablusoni2489
    @bablusoni2489 2 ปีที่แล้ว +12

    Sir what is the difference btw work function and threshold energy

    • @jayantihooda6758
      @jayantihooda6758 2 ปีที่แล้ว +1

      Work function and frequency are nearly same .... work function mean minimum energy and threshold means minimum frequency.

  • @rishisinghh9289
    @rishisinghh9289 ปีที่แล้ว +4

    Sir, Energy (E) and work function (W) mai 'n' same kaise hoga?

  • @prashantkushwaha844
    @prashantkushwaha844 2 ปีที่แล้ว +5

    39:30 sir ap itna acha padhate ho ki koi doubt bachta he nhi hai...

  • @piyush4183
    @piyush4183 2 ปีที่แล้ว +7

    20:08 ham ladko ki to izzat hi nhi hai😓😒🤣

    • @piyush4183
      @piyush4183 2 ปีที่แล้ว

      @@mrlucky159 😂

  • @VikashKumar-fv1pz
    @VikashKumar-fv1pz 2 ปีที่แล้ว +12

    Sir aaap itna jyada pyara or achhe se padhate h to hamare pass to really koi doubt hi nhi hota poochhne k lie😌🤗 thanks sir we all are studying.... Keep doing ♥️♥️

  • @Krishnathakur11-a
    @Krishnathakur11-a 3 หลายเดือนก่อน +1

    22:09 22:12 momoj nahi sir ham up bale h daru chalti h 😀 (UP)

  • @its_taaani
    @its_taaani 6 หลายเดือนก่อน +3

    27:34 sir shouldn’t it be “minimum *frequency* required to eject an electron” instead of minimum energy! (As it is Threshold frequency)

    • @DJGAMER-ip9ef
      @DJGAMER-ip9ef 4 หลายเดือนก่อน

      😊

    • @IBRAHIMFURQANB
      @IBRAHIMFURQANB 13 วันที่ผ่านมา

      the light at threshold frequency is the one that gives minimum energy required for ejection. it is not the frequency rather it is the light at that frequency which is having the minimum energy required for ejection of electron.

  • @asgautam994
    @asgautam994 11 หลายเดือนก่อน +2

    40:00 sir aap itna achha padhate ho ki koi doubts nhi hote bacho ke

  • @saaaahi_456
    @saaaahi_456 2 ปีที่แล้ว +8

    Sir numericals ki bhi alag video bnaiye alag alag chapters ki .. it may be very helpful to us 👍🏻👌🏻🙂

  • @vloggi-he2uw
    @vloggi-he2uw 7 หลายเดือนก่อน +4

    Kidnapping mast plan hai😅 21:52

  • @Jigyasa.03
    @Jigyasa.03 2 ปีที่แล้ว +36

    Sir thankyou for the wonderful lecture❤. Sir can give us some numericals based on those topics at last

    • @rajchuphal9434
      @rajchuphal9434 2 ปีที่แล้ว +2

      Photoelectric effect has been removed from sybblus 🤧

    • @dipasaha5759
      @dipasaha5759 2 ปีที่แล้ว

      Hii

    • @Jigyasa.03
      @Jigyasa.03 2 ปีที่แล้ว +1

      @@rajchuphal9434 i don't know about that much but currently I'm preparing for neet so that's why i requested for numericals

    • @_jharkhand_235
      @_jharkhand_235 2 ปีที่แล้ว

      @@dipasaha5759 hlo

    • @theinvinciblegamer7497
      @theinvinciblegamer7497 ปีที่แล้ว

      @@Jigyasa.03 good luck💝🕊️

  • @PowerGrid7
    @PowerGrid7 8 หลายเดือนก่อน +1

    11:23 The value of h in ncert is 6.626*10^-34 J s And by the way h is a irrational no

    • @Under-n5r
      @Under-n5r 6 หลายเดือนก่อน

      😂

  • @abhanshupandey413
    @abhanshupandey413 2 ปีที่แล้ว +16

    Amazing teacher you are sir ji , loved your teaching style, biggest fan of you and you made physics highly easy for me .

  • @MayankSharma-up3uw
    @MayankSharma-up3uw 8 หลายเดือนก่อน +1

    Sir after reading your notes then we also need to read NCERT...??

  • @pranaydhiwar9558
    @pranaydhiwar9558 2 ปีที่แล้ว +12

    Sir I am from Maharashtra board and I have started watching your videos to solve my doubts thank you sir.

  • @apobangpo4764
    @apobangpo4764 2 ปีที่แล้ว +19

    The previous lectures were understood smoothly but I have a difficulty in this one about PHOTOELECTRIC EFFECT... Sir, please provide an easy definition for this topic. Thank you

    • @hanukhajuria2
      @hanukhajuria2 2 ปีที่แล้ว

      Yes i also have some doubts regarding this lecture.

    • @5618neelam
      @5618neelam ปีที่แล้ว

      Watch dr stone😂

    • @apobangpo4764
      @apobangpo4764 ปีที่แล้ว

      @@5618neelam will surely do once i complete my syllabus 🗿

  • @Kunal-q5x
    @Kunal-q5x 2 ปีที่แล้ว +10

    Sir really you explained it so beautifully 😍 ❤️

    • @kennywise01
      @kennywise01 2 ปีที่แล้ว +1

      Hlo my twin.. Kunal..

  • @kvswathi9494
    @kvswathi9494 ปีที่แล้ว +6

    Sir I don't know how to express
    Im a new student to 11th and already started facing difficulties especially chemistry
    Your videos are very much helpful to me thank you so much everything gets clear that no one can get doubt

  • @techunboxingxyz7777
    @techunboxingxyz7777 ปีที่แล้ว +3

    sir agar microscopic lavel par electrons are moving then macroscopic lavel par koi object move kyu nahe hota ?

    • @Benzene42
      @Benzene42 ปีที่แล้ว

      Electron jab bahar atta hai uss k:e lagti hai

  • @DhruvDhruv-l1k
    @DhruvDhruv-l1k หลายเดือนก่อน +1

    Thank you sir ❤Amazing lecture 🎉❤

  • @theemperoroffreefire1659
    @theemperoroffreefire1659 6 หลายเดือนก่อน +9

    Literly I m waching this on 14 aug after 2 years 🙄🙄🙄🙄
    Well happy independence day 😊😊😊
    Ca

  • @harvinderkaur5128
    @harvinderkaur5128 ปีที่แล้ว +5

    Thanks a lot sir.....and we don't have much doubts because you teach very well....Jo doubts hame school me aaate hai vo aapki videos mei clear ho jate Hain.....so thanks a lot sir....😇😊

  • @Avder_OP
    @Avder_OP 6 หลายเดือนก่อน +1

    The red glow of tail lights indicating another long drive home from work after an even longer 24-hour shift at the hospital. The shift hadn’t been horrible but the constant stream of patients entering the ER meant there was no downtime. She had some of the “regulars” in tonight with new ailments they were sure were going to kill them. It’s amazing what a couple of Tylenol and a physical exam from the doctor did to eliminate their pain, nausea, headache, or whatever other mild symptoms they had. Sometimes she wondered if all they really needed was some interaction with others and a bit of the individual attention they received from the nurses

  • @Jahnavi0_0
    @Jahnavi0_0 ปีที่แล้ว +25

    Amazing session sir ❤ bench pe ldki baithi hui nhi nhi change bench pe ek ladka baitha hua .. 😂 best part sir

  • @nainasharma940
    @nainasharma940 ปีที่แล้ว +2

    Sir, does it mean that Work function = threshold frequency?? As both mean the min. energy to eject electrons ...

    • @kairveeverma8201
      @kairveeverma8201 ปีที่แล้ว

      Nahi , sir ne galti se threshold function ki definition batate samay min. Energy likh diye hai agar dhyaan se sunoge to pehle sir ne min. Frequency kaha hai

    • @nainasharma940
      @nainasharma940 ปีที่แล้ว

      @@kairveeverma8201 tysm dear

  • @anshulpandey7223
    @anshulpandey7223 ปีที่แล้ว +5

    U r great sir thanku so much for teaching us 🙏

  • @rubikstricks2107
    @rubikstricks2107 11 หลายเดือนก่อน +2

    Sir doubts don't come becoz the way u teach is amazing and every concept is very clear.... 👍

  • @Itz_me_ammu7701
    @Itz_me_ammu7701 4 หลายเดือนก่อน +3

    Sir I'm from Delhi but me momos nhi khati ☺️ and ab ap mujhe noval prize dijiye

  • @Auto_virtue.
    @Auto_virtue. 2 ปีที่แล้ว +2

    Sir mai aap se hi padh kar apna half yearly diya aur bahut aacha gaya👍👍 sir numerical kar ne me problem aa rahi aur theory me koi doubt nahi rahta aap itna accha padh hate hai🤗🤗💕💕🔥🔥🔥thanks 🙏🙏 sir for making outstanding lecture s
    Love from utter pradesh

  • @Neetu8266
    @Neetu8266 ปีที่แล้ว +4

    32:02 kuch nhi aya😅😂

  • @keshavsingh9604
    @keshavsingh9604 11 หลายเดือนก่อน +1

    21:50 sir mai delhi mai badarpur ka hu lekin mujhe momos bilkul nhi pasand......mai to mahino mai kuch bhaar ka khata hu lekin wo momos nhi hota h 😅 .......
    .
    .
    .
    Sir mera noble prize ka purashkaar 😁😁..

    • @tanmaygarg7483
      @tanmaygarg7483 11 หลายเดือนก่อน +1

      mene to jindagi mai 1 baar khaya h

    • @Talk_sick001
      @Talk_sick001 11 หลายเดือนก่อน

      @@tanmaygarg7483 teri help karne ke liye yaha tak aa gaya 😅😅 pata nahi kya ho raha tha 6 bar comment kar chuka hu or comment remove ho ja raha tha , search " munil sir "

  • @Lalita_kumari
    @Lalita_kumari 2 ปีที่แล้ว +23

    Sir please ch 4 physics class 11 yeh ch mere units mai aarha hai and I am totally dependent on you for this ch sir pls upload it soon sir pls chemistry ka yeh ch pause karke ch 3 chemistry krwa dijiye pls pls

    • @shrutidaware4537
      @shrutidaware4537 2 ปีที่แล้ว +1

      True sir please🙏

    • @indusharma3038
      @indusharma3038 2 ปีที่แล้ว +1

      Phele ye krle

    • @inderghuman4734
      @inderghuman4734 2 ปีที่แล้ว +1

      @@indusharma3038 😂😂

    • @Quicklearners01
      @Quicklearners01 2 ปีที่แล้ว

      Merse padhle ✨

    • @AAYAN_X805
      @AAYAN_X805 2 ปีที่แล้ว

      Tera dimag pagal hai kya voo bich se chapter kaise pause krr sakte hai
      Unki videos sirf tum hi nhi dekh rahe hoo baki bhi bache hai

  • @GM-de6pe
    @GM-de6pe 6 หลายเดือนก่อน +2

    20:07 bro sir knew the consequences
    Ladka ✅
    Ladki ❌
    😂

  • @AAYAN_X805
    @AAYAN_X805 2 ปีที่แล้ว +4

    Sir AAPNE KAHA HAI KI WORK FUNCTION HOTA HAI MINIMUM ENERGY REQUIRE TO EJECT ELECTRON BUT AAPNE
    THRESHOLD FREQUENCY KI BHI YEH HI DEFINITION BOLI HAI
    PLZ...... iske baare mein thoda saa aur bta doo

    • @Ankit-Saxena-NIT-Kurukshetra
      @Ankit-Saxena-NIT-Kurukshetra 2 ปีที่แล้ว +1

      work function = minimum amount of energy required to eject electron
      threshold frequency = frequency corresponding to min energy required to eject electron & KE = 0

    • @AAYAN_X805
      @AAYAN_X805 2 ปีที่แล้ว +1

      @@Ankit-Saxena-NIT-Kurukshetra yes thanks

  • @gaurishankershah619
    @gaurishankershah619 6 หลายเดือนก่อน

    21:49 yes sir mai bhi Delhi ka hoon aur mujje bhi momos kafi pasand hai but mere sharir ko nahi 😢😅😅
    Isliye mai momos nahi khata sir ab do mujje prize 😁

  • @reaperzzrajat1487
    @reaperzzrajat1487 2 ปีที่แล้ว +5

    You had said that cosmic rays have the highest energy.
    Actually gamma rays have the highest energy.
    But you have explained very well.
    Mainu pyarr ho gya jii. ❤❤

    • @akashrao9416
      @akashrao9416 2 ปีที่แล้ว +2

      Bro cosmic rays have the highest energy

    • @ayo775
      @ayo775 ปีที่แล้ว +1

      cosmic has highest..

  • @ShivaliNagar
    @ShivaliNagar 10 หลายเดือนก่อน

    Bahut acha padhate h aap sir... Mai dsssb tgt natural science k liye ye padh rhi hu.. Thank u so much 🙏

  • @payalchoudhary7976
    @payalchoudhary7976 2 ปีที่แล้ว +11

    Sir I am from UK and the way delhi students are fan of momos my side also same condition and your all lectures are superb 👍💟

    • @rishusmood5709
      @rishusmood5709 2 ปีที่แล้ว +1

      Same

    • @PranavKhankriyal
      @PranavKhankriyal 2 ปีที่แล้ว +14

      Mujhe laga , United Kingdom ki ho 😅, to hindi video kyu dekh rahi ho.
      Uttrakhand rocks!

    • @v.ktiwari1821
      @v.ktiwari1821 2 ปีที่แล้ว +2

      Im from UK 11 💖

    • @shashitiwari5933
      @shashitiwari5933 ปีที่แล้ว +1

      Uk...mtlb uttarakhand n😅

  • @OmPangotra
    @OmPangotra 8 หลายเดือนก่อน +1

    Sir Jaisa ki hum jaante hain ki ek photon ka mass zero hota hai, to phir wo ek electron ko displace kaise kar paa raha hai? itni to energy nahi hoti hogi ek photon ya photons mein ki wo ek electron ko hi displace kar dein, aapka ispe kya kehna hai???

  • @ayanshaikh744
    @ayanshaikh744 8 หลายเดือนก่อน +3

    Sir is bru coffe good or bad in taste

  • @BhavikaSharma-rf1ud
    @BhavikaSharma-rf1ud 9 หลายเดือนก่อน +2

    20:06 justice for boys 😂😅

  • @indusharma3038
    @indusharma3038 2 ปีที่แล้ว +4

    1 more that what is the difference between orbit and orbitals

    • @rishabh_0.173
      @rishabh_0.173 2 ปีที่แล้ว

      Orbits means shells and orbitals is present in subshells..

  • @dhriti1528
    @dhriti1528 หลายเดือนก่อน +2

    Last moment of 2024 🥺💓 only 45 minutes left 😄

  • @rahuleliteyt6659
    @rahuleliteyt6659 7 หลายเดือนก่อน +3

    21:29 momos khate khate padh rha tha 😂😂😂

  • @HanumanBishnoi-d6o
    @HanumanBishnoi-d6o 6 หลายเดือนก่อน +2

    #*Sir mujhe aapke 11-12 batch ka subscription chahiye kaise lu sir please reply*# you are very very good teacher....
    Agar sir aap meri school m hote toh mai hamesha top krta❤

  • @AnshuSingh-zy6sy
    @AnshuSingh-zy6sy ปีที่แล้ว +370

    Kon kon 2023 me aaya ha ye topic dekhne ❤❤😂😂

  • @ChaitaliSaha-e2o
    @ChaitaliSaha-e2o 9 หลายเดือนก่อน +1

    Sir Francium is radioactive..will it undergo chemical reaction as it is a radioactive element

  • @ROyaLLS1804
    @ROyaLLS1804 2 ปีที่แล้ว +4

    Sir please upload phy video, mid sept me half yearly hai usme phy ke 7 ch aa rahe hai🥹

  • @Valechasagar757
    @Valechasagar757 ปีที่แล้ว +1

    20:10 hum toh ladke h hmare saath toh aisa hi hota h🙃
    btw mumbai m momos ka itna bhi craze nhi h😅

  • @hackingworld5479
    @hackingworld5479 11 หลายเดือนก่อน +26

    Kon kon 2024 mai aye ho topic dekhne😆

  • @thegamerclub1698
    @thegamerclub1698 4 หลายเดือนก่อน +2

    21:52 ham to bahar se hain par fir bhi khate hain 😂😂😂😂😂😂

  • @HanumanBishnoi-d6o
    @HanumanBishnoi-d6o 6 หลายเดือนก่อน +3

    Ashu sir : Hacker hain bhai hacker😂❤

  • @RaviSingh-g4x
    @RaviSingh-g4x 7 วันที่ผ่านมา

    31:23 sir there is a mistake - if threshold frequency is equal to the frequency we had given then photoelectric effect will occur with 0 kinetic energy but u said opposite

  • @alicewinter4109
    @alicewinter4109 ปีที่แล้ว +6

    Thanks man, saved me from failing a test today

  • @fahadmemon1351
    @fahadmemon1351 9 หลายเดือนก่อน +1

    Sir agr hum photoelectric effect mn energy vo fixed 90 example ho or v jo ho wo 40 ho pr agr continously photon us p phre 40 frequency k to wo milake electron eject hoskte hn kya?

  • @dailyvocabularypractice5422
    @dailyvocabularypractice5422 2 ปีที่แล้ว +7

    Sir I'm also totally dependent on you

  • @harsharun1896
    @harsharun1896 4 หลายเดือนก่อน +1

    Plank's constant is really awesome, It saved the world. A Stranger things fan can relate in the final episode of season 3

  • @gurpreetsingh_13
    @gurpreetsingh_13 ปีที่แล้ว +1

    22:11 sir g maiii nhii khata momos...... Delhi ka. Hii hoon.....❤

    • @Benzene42
      @Benzene42 ปีที่แล้ว

      Bbbhhhhhhh hai kya karu sojau ya padhte hai kya karu sojau ya padhte hai kya karu sojau ya padhte hai kya karu sojau ya padhte hai kya karu sojau ya padhte hai kya karu sojau ya padhte hai kya karu

    • @gurpreetsingh_13
      @gurpreetsingh_13 ปีที่แล้ว

      Ye kya haii

  • @icfpahadi
    @icfpahadi ปีที่แล้ว +3

    Fact :- I see this video after 1 yr and tomorrow is raksha bandhan what a coincidence 😂

  • @Aboutallthings-nz4cp
    @Aboutallthings-nz4cp 8 หลายเดือนก่อน +2

    The way of your teaching chemistry is literally very marvelous ✨✨❤

  • @Pathaan0047
    @Pathaan0047 ปีที่แล้ว +5

    sir mai momo nhi khata aab batao aap se kaha milna hai?

  • @heroboy9061
    @heroboy9061 9 หลายเดือนก่อน +1

    Sir i have a doubt on topic of spectrum obtain from light like continuous and discontinuous lights. plz explain it sir.

  • @abuzar_mallick
    @abuzar_mallick ปีที่แล้ว +4

    Now delhi state will become dil momo how sweet 😂😂😂😂😂

  • @unbreakablefacts5218
    @unbreakablefacts5218 5 หลายเดือนก่อน +1

    20:06 ladko k sath anyay hi hotaa hr jagah 😢... hasde cehre mtlb dukh nhi 🙂