CBSE 2024 PHYSICS | Complete Ray Optics in one shot | Class 12 Physics | Sachin sir

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  • เผยแพร่เมื่อ 17 ธ.ค. 2024

ความคิดเห็น • 852

  • @sachinsirphysics
    @sachinsirphysics  ปีที่แล้ว +46

    📢📢to get handwritten notes join our TELEGRAM group :- telegram.me/sachinsirphysics
    bachha puri class 12th physics dekhne ke liye ye playlist jarur dekhe 👇👇❤(Best Contents On TH-cam )
    👇 th-cam.com/play/PLCWm8jBxm8LJxjn5oX7ZXB7OmdYi2ZWCC.html
    ➡ Sachin sir के Board ya NEET Batch को Join करने के लिए Download Class24 App: bit.ly/3Gp2sMy और भी जानकारी के लिए Call करे 8302972601 , 7984294085

  • @ravinderbassi437
    @ravinderbassi437 ปีที่แล้ว +240

    time stamps
    02:01 Introduction to Ray Optics
    06:18 Reflection of light on a spherical mirror
    08:33 Angle of incidence is equal to angle of reflection
    12:58 Understanding the concepts of normal line, Fox point, and focal length in ray optics.
    15:29 Rules of ray optics: parallel rays, reflection through focus, passing through center of curvature, at an angle
    19:22 The concept of real height and object distance in ray optics is explained.
    22:42 Understanding the focal length and camera principle in ray optics.
    28:45 The image formed in ray optics is located between the center of curvature and the focal point.
    30:50 Derivation and sign convention in Ray Optics
    36:55 Understanding the concept of magnification in ray optics
    38:40 Understanding Magnification in Ray Optics
    43:59 Understanding the concept of speed and velocity in the context of mirrors.
    47:48 Refraction means light changes its direction when it travels from one medium to another.
    52:26 Refraction is the phenomenon where light changes its direction when it passes from one medium to another.
    55:10 Refractive index is a constant factor that determines how light travels in a medium.
    1:01:22 The video discusses the concept of refraction and total internal reflection in Ray Optics.
    1:05:11 The video discusses the concept of the critical angle in ray optics.
    1:11:14 Optical fiber enables worldwide connectivity
    1:13:04 Summary: Understanding the concept of optical fiber and its application.
    1:25:31 Derivation and image formation using convex lens
    1:28:41 Understanding refraction in optics
    1:36:38 The lens formula is F = 1/V - 1/U, and the mirror equation is the clarity.
    1:38:48 The concept of lens magnification and refractive index explained
    1:44:32 Understanding refractive index and focal length in ray optics.
    1:48:25 Combination of lenses and ray optics
    1:55:13 Refraction through a prism and calculation of refractive index
    1:57:55 Understanding the concept of refraction angles in ray optics.
    2:06:40 Understanding ray optics and refraction through prism
    2:13:09 Ray Optics: Microscopes & Telescopes
    2:21:07 The magnification formula for a simple microscope is m = D/F
    2:24:26 Understanding the image formation using objective lens and its properties
    2:32:39 Astronomical microscope has now become bigger.
    2:38:06 Understanding the diagram and types of mirrors in Ray Optics
    2:42:20 Join Baba SP's Chanakya batch to get live classes
    thank me later ...

    • @sachinsirphysics
      @sachinsirphysics  ปีที่แล้ว +110

      thnk you so much beta .. baht achhee.. isse baki students ko help milega 🙏🙏

    • @trueffytgaming3619
      @trueffytgaming3619 ปีที่แล้ว +14

      Itna acheee log bhi hote heee

    • @GHOST_OF_UCHIHA_UCHIHA_MADARA
      @GHOST_OF_UCHIHA_UCHIHA_MADARA ปีที่แล้ว +5

      ​@@sachinsirphysicssir plzz pin him

    • @allgameking5217
      @allgameking5217 ปีที่แล้ว +5

      Bai tu bi or hm bi ache number se pass ho jai bajrangbali ❤

    • @SukUNA0404
      @SukUNA0404 11 หลายเดือนก่อน +3

      Thank you so much bhai

  • @soumyajeetmishra9511
    @soumyajeetmishra9511 9 หลายเดือนก่อน +493

    4 March wale attendance do 😂

    • @pushkarkayasth
      @pushkarkayasth 9 หลายเดือนก่อน +17

      Mere ghar pr shaddi hai 4 ko
      Baraat leke jana hai 😂😂
      Lol

    • @Aayu682
      @Aayu682 9 หลายเดือนก่อน +8

      Haa to paper dene ke baad ...chle janaa

    • @Vishal_1403
      @Vishal_1403 9 หลายเดือนก่อน +5

      Present 😂

    • @TejusYadav-
      @TejusYadav- 9 หลายเดือนก่อน

      Mere gao par 2 ko hai​@@pushkarkayasthpapa saaf saaf mana kr diye hai 😂😂

    • @tanishkameena3637
      @tanishkameena3637 9 หลายเดือนก่อน +2

      Iss this video is enough jo pheli baar padh rahe h and isme kuch bhi reduce hua ho vo part bhi sir ne padya h kya

  • @yuvrajrajput8525
    @yuvrajrajput8525 ปีที่แล้ว +40

    02:01 Introduction to Ray Optics
    06:18 Reflection of light on a spherical mirror
    08:33 Angle of incidence is equal to angle of reflection
    12:58 Understanding the concepts of normal line, Fox point, and focal length in ray optics.
    15:29 Rules of ray optics: parallel rays, reflection through focus, passing through center of curvature, at an angle
    19:22 The concept of real height and object distance in ray optics is explained.
    22:42 Understanding the focal length and camera principle in ray optics.
    28:45 The image formed in ray optics is located between the center of curvature and the focal point.
    30:50 Derivation and sign convention in Ray Optics
    36:55 Understanding the concept of magnification in ray optics
    38:40 Understanding Magnification in Ray Optics
    43:59 Understanding the concept of speed and velocity in the context of mirrors.
    47:48 Refraction means light changes its direction when it travels from one medium to another.
    52:26 Refraction is the phenomenon where light changes its direction when it passes from one medium to another.
    55:10 Refractive index is a constant factor that determines how light travels in a medium.
    1:01:22 The video discusses the concept of refraction and total internal reflection in Ray Optics.
    1:05:11 The video discusses the concept of the critical angle in ray optics.
    1:11:14 Optical fiber enables worldwide connectivity
    1:13:04 Summary: Understanding the concept of optical fiber and its application.
    1:25:31 Derivation and image formation using convex lens
    1:28:41 Understanding refraction in optics
    1:36:38 The lens formula is F = 1/V - 1/U, and the mirror equation is the clarity.
    1:38:48 The concept of lens magnification and refractive index explained
    1:44:32 Understanding refractive index and focal length in ray optics.
    1:48:25 Combination of lenses and ray optics
    1:55:13 Refraction through a prism and calculation of refractive index
    1:57:55 Understanding the concept of refraction angles in ray optics.
    2:06:40 Understanding ray optics and refraction through prism
    2:13:09 Ray Optics: Microscopes & Telescopes
    2:21:07 The magnification formula for a simple microscope is m = D/F
    2:24:26 Understanding the image formation using objective lens and its properties
    2:32:39 Astronomical microscope has now become bigger.
    2:38:06 Understanding the diagram and types of mirrors in Ray Optics
    2:42:20 Join Baba SP's Chanakya batch to get live classes

  • @officialking12
    @officialking12 ปีที่แล้ว +11

    00:06 Complete Ray Optics in one shot
    02:01 Introduction to Ray Optics
    06:18 Reflection of light on a spherical mirror
    08:33 Angle of incidence is equal to angle of reflection
    12:58 Understanding the concepts of normal line, Fox point, and focal length in ray optics.
    15:29 Rules of ray optics: parallel rays, reflection through focus, passing through center of curvature, at an angle
    19:22 The concept of real height and object distance in ray optics is explained.
    22:42 Understanding the focal length and camera principle in ray optics.
    28:45 The image formed in ray optics is located between the center of curvature and the focal point.
    30:50 Derivation and sign convention in Ray Optics
    36:55 Understanding the concept of magnification in ray optics
    38:40 Understanding Magnification in Ray Optics
    43:59 Understanding the concept of speed and velocity in the context of mirrors.
    47:48 Refraction means light changes its direction when it travels from one medium to another.
    52:26 Refraction is the phenomenon where light changes its direction when it passes from one medium to another.
    55:10 Refractive index is a constant factor that determines how light travels in a medium.
    1:01:22 The video discusses the concept of refraction and total internal reflection in Ray Optics.
    1:05:11 The video discusses the concept of the critical angle in ray optics.
    1:11:14 Optical fiber enables worldwide connectivity
    1:13:04 Summary: Understanding the concept of optical fiber and its application.
    1:25:31 Derivation and image formation using convex lens
    1:28:41 Understanding refraction in optics
    1:36:38 The lens formula is F = 1/V - 1/U, and the mirror equation is the clarity.
    1:38:48 The concept of lens magnification and refractive index explained
    1:44:32 Understanding refractive index and focal length in ray optics.
    1:48:25 Combination of lenses and ray optics
    1:55:13 Refraction through a prism and calculation of refractive index
    1:57:55 Understanding the concept of refraction angles in ray optics.
    2:06:40 Understanding ray optics and refraction through prism
    2:13:09 Ray Optics: Microscopes & Telescopes
    2:21:07 The magnification formula for a simple microscope is m = D/F
    2:24:26 Understanding the image formation using objective lens and its properties
    2:32:39 Astronomical microscope has now become bigger.
    2:38:06 Understanding the diagram and types of mirrors in Ray Optics
    2:42:20 Join Baba SP's Chanakya batch to get live classes and access to study material

  • @parthsuyal4888
    @parthsuyal4888 10 หลายเดือนก่อน +30

    Two things I like about him -
    1st his derivations
    2nd his glowing pen

  • @ABD_OFFICIAL7
    @ABD_OFFICIAL7 27 วันที่ผ่านมา +10

    21 February Wale attendance lagao 😂

  • @Pranjall_72
    @Pranjall_72 9 หลายเดือนก่อน +7

    Chemistry me organic nahi hori thi🙂
    Physics me optics nahi hori🥲
    Or maths me calculus nahi hogi🙂
    Kya hoga mera..😭

    • @djsniper1767
      @djsniper1767 9 หลายเดือนก่อน +1

      try krte raho varna repeat hoga nothing much

  • @harshitharameshkumar9649
    @harshitharameshkumar9649 ปีที่แล้ว +56

    Nice explanation sir 😊
    but in 48:53 it's mentioned as a side view mirror which means the convex lens is not concave so the sign convention would differ

    • @Sonic_soul07
      @Sonic_soul07 ปีที่แล้ว +3

      Yess and in ncert the ans is wrong...

    • @Dushyant-Bhargava
      @Dushyant-Bhargava ปีที่แล้ว +2

      @@Sonic_soul07 ncert is considered it as concave

    • @saumiljain4528
      @saumiljain4528 ปีที่แล้ว

      @@Sonic_soul07ncert me wrong hai correct kardo

    • @amitbanra876
      @amitbanra876 ปีที่แล้ว

      It's is concave mirror because 'f is + ve'

    • @amitbanra876
      @amitbanra876 ปีที่แล้ว

      ​@@Dushyant-Bhargava no ncert think it is convex mirror

  • @tanushreezalaki1764
    @tanushreezalaki1764 9 หลายเดือนก่อน +2

    In refraction through prism( 2:02:11 ) shouldnt it be angle PLQ not PLR

    • @vedzdixit2819
      @vedzdixit2819 9 หลายเดือนก่อน

      Yes bro……

  • @mr.beastfanclubs
    @mr.beastfanclubs 10 หลายเดือนก่อน +2

    Divide it you will get
    f=2.941×26.6
    f=78.2
    1:47:17

  • @Invisibleman22931
    @Invisibleman22931 ปีที่แล้ว +6

    From where I can get the pdf of this lecture?

  • @Kavitanda-su8jj
    @Kavitanda-su8jj ปีที่แล้ว +2

    48:36 aap ne f ko (-1) bolla hai par jabb textbook ka solution dhek rhe hai tho vha pe (+1) diya hai
    Sur please reply what to do ???

    • @11hetpatel59
      @11hetpatel59 ปีที่แล้ว +1

      It’s +1 only because it’s the case of convex mirror

  • @rsaraswati2182
    @rsaraswati2182 9 หลายเดือนก่อน +1

    1:47:24 focal lenght of water is 78.125 cm

  • @afnangaming1952
    @afnangaming1952 11 หลายเดือนก่อน +4

    Mistake alert
    Sir u teach amazing but in ( 2:02:00 ) refraction through a prism there is a mistake u took in a quadrilateral APQL BUT in derivation u took PLR as angle please make it correct sir
    Btw I love ur videos plz make danbang series for Atoms nucleus semiconductor and dual naturae

  • @AbhishekPal-dv2gv
    @AbhishekPal-dv2gv ปีที่แล้ว +7

    27 September 2023
    Its 1:39 AM and I am starting this chapter for the first time as i don't study this chapter at school and Today is my exam

    • @alienx218
      @alienx218 ปีที่แล้ว

      Wow wonder fulll btw kesa gaya exam???

    • @AbhishekPal-dv2gv
      @AbhishekPal-dv2gv ปีที่แล้ว +1

      @@alienx218 Acha nhi gya bro 😭 Silly mistake bahut ki mcq mein... 5 marks mein Optical Instrument Aaya tha Jo meine padha nhi tha Expecting:45+ I can easily score 54 to 58 If I don't do Silly mistakes

  • @rudraM249
    @rudraM249 ปีที่แล้ว +26

    2:02:08
    small correction
    It's triangle PLQ
    Btw great explanation sir..❤

    • @Narmada_gaau
      @Narmada_gaau ปีที่แล้ว

      You right bro❤

    • @amanallex.1
      @amanallex.1 10 หลายเดือนก่อน +1

      it will be angle PLQ not PLR

    • @Nikhil-b7c
      @Nikhil-b7c 9 หลายเดือนก่อน

      😮

    • @tapeshsharma1603
      @tapeshsharma1603 2 วันที่ผ่านมา

      Your question is right kuch bhe padha rahe hai

  • @MuskanSheoran-e8p
    @MuskanSheoran-e8p 9 หลายเดือนก่อน +45

    4 march ko physics ka paper h kis kis ne ab tyarri krni suru ki h like kre

    • @shubhamkr.4448
      @shubhamkr.4448 9 หลายเดือนก่อน

      Aaj khtm krdi is chapter k sath

    • @meabcd911
      @meabcd911 9 หลายเดือนก่อน +1

      😢

    • @KamalDas-ge8yj
      @KamalDas-ge8yj 6 หลายเดือนก่อน

      Apka he loda laganga abhi phy suru kar rha ho

  • @SnehaSaha-mz4bm
    @SnehaSaha-mz4bm 9 หลายเดือนก่อน +3

    2:07:43 sir idhar n1sin i =n2sin r1 hoga aapne n2sinr1 ki jagah n1sinr2 likha hei

  • @msy291
    @msy291 ปีที่แล้ว +145

    I don't intend to give some hate on you, but the fact that you skipped application of TIR by saying that isko ek baar ncert se read krlena and not explaining the prism diagrams well in it is not appropriate than ex 9.6 one of the important question just by saying comments me btao saccha vidhyaarti aapne woh bhi last part skip kiya and u paused the video in between questions which is showing that u urself didn't knew the answers to it and u cross-checked this one might be a hunch but I hope u respect my opinion and sir u can do better and loved your style apart from these things !

    • @Stuti-sp7ln
      @Stuti-sp7ln ปีที่แล้ว +8

      Janab 🙂portion check kre ....

    • @fornoexactreason
      @fornoexactreason ปีที่แล้ว +3

      Don't make a mess of it

    • @xavierhood8165
      @xavierhood8165 ปีที่แล้ว

      😂

    • @RaviMishra-mu6et
      @RaviMishra-mu6et ปีที่แล้ว +12

      You are right brother i am with you

    • @realgaming9518
      @realgaming9518 ปีที่แล้ว +13

      If we don't pay then don't present any content on youtube instead of presenting less or wrong.......and who tells that we don't pay for it...... we pay by recharging our phone or wifi ...........

  • @bhattikhlaq3948
    @bhattikhlaq3948 ปีที่แล้ว +3

    Sir at 1:57:07 se please ap iss Wale video mai prism sare re check kr sakte hai please. I'm not telling ye galat hai but mere confusion hai place points aor taken angles mai. Please sir agr ye correct hai tow bata de geye or disturbance k liye sorry❤
    Sir quad. Aor traingle lete time 'Q' Kahan Gaya?

    • @11hetpatel59
      @11hetpatel59 ปีที่แล้ว

      It’s triangle PLQ not PLR

    • @bhattikhlaq3948
      @bhattikhlaq3948 ปีที่แล้ว

      @@11hetpatel59 wohi mai b soch raha tha lagta hai sir se galti se points upar neche ho gaye hai.
      Btw thanks men!

  • @prasansahoo3127
    @prasansahoo3127 ปีที่แล้ว +9

    Ex-9.7 (iii) ans-78.2cm......Thank you sir....🤩🤩

  • @AbhiBenare-vs4wj
    @AbhiBenare-vs4wj 10 หลายเดือนก่อน +3

    At 1:32:8
    If I am not wrong, from the diagram the object distance is taken as negative then it means the equation no 1 becomes
    n¹/u + n²/v' = n²-n¹/r🤔
    Plz reply sir I got confused there💫

    • @YatharthGupta-xg7li
      @YatharthGupta-xg7li 9 หลายเดือนก่อน +1

      Bhai Mera bhi same question tha

    • @YatharthGupta-xg7li
      @YatharthGupta-xg7li 9 หลายเดือนก่อน +1

      Lekin ek bat yad rakhna derivation ke samay sign convention use na karna

  • @PankajKumarMandal-wt6iq
    @PankajKumarMandal-wt6iq 9 หลายเดือนก่อน +3

    Best video lecture for this chapter , sr aapki vibes bhot positive hai ,,, ❤❤❤

  • @ravinasaini9812
    @ravinasaini9812 ปีที่แล้ว +7

    Sir pls check the video at 31:31 you said that in triangle CMF but there is no point F .pls check sir its a humble request to you sir 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

    • @gg-zv1ty
      @gg-zv1ty ปีที่แล้ว

      CMI hogana?

  • @yogendrasinghthakur1544
    @yogendrasinghthakur1544 หลายเดือนก่อน +2

    Sir is everything is covered in this vedio pls reply sir my syllabus is not completed

  • @_ys.2221_
    @_ys.2221_ ปีที่แล้ว +5

    Sir example 9.4 me convex mirror hoga kyuki cars ke mirror toh convex hi hote h toh uski vgh se +39 lena chiye....

  • @yashparashar-le6ur
    @yashparashar-le6ur 9 หลายเดือนก่อน +1

    31:45 taken triangle CMF and angle is gama but please look at the diagram the triangle assumed is not the actual one

    • @yashparashar-le6ur
      @yashparashar-le6ur 9 หลายเดือนก่อน +1

      If the equation is correct than reflected ray should be pass through focus

    • @Magversee
      @Magversee 9 หลายเดือนก่อน +1

      Bro.. is your CBSE board?

    • @yashparashar-le6ur
      @yashparashar-le6ur 9 หลายเดือนก่อน

      Yes

    • @Magversee
      @Magversee 9 หลายเดือนก่อน

      @@yashparashar-le6ur umm can tell me which derivations are coming from this chapter?

  • @IBLAMEGUTS
    @IBLAMEGUTS 10 หลายเดือนก่อน +2

    1:00:45 9 pages likh liye 😂🤧 pr exam ke itne pas akr , lagta hai moye moye hoga 🙂

  • @VinodKumar-cd2dn
    @VinodKumar-cd2dn ปีที่แล้ว +2

    5:14 sir kyuki light us painting pr ja kr vapis hmar eyes tk aati h toh hm us painting toh dekh skte hai otherwise nhi

  • @YatharthGupta-xg7li
    @YatharthGupta-xg7li 9 หลายเดือนก่อน +1

    Ya fir sir aisa hai kya ki jab koi equation derive karte hai to sign convention nahi use karte lekin jab jo hame derivation se equation milti hai usme value rakhte samay bus sign convention use karte hai

  • @user-himanshu863
    @user-himanshu863 9 หลายเดือนก่อน +1

    Sir aapne prism ki derivation galat ki hai triangle PLR jaisa to kuch hai hi nhi isme ye teno point alag alag hai jo triangle ka formation nhi kar rhe@sachinsirphysics

  • @Subhavydv01
    @Subhavydv01 ปีที่แล้ว +1

    Sir telegram vale channel pr notes hi nhi mil rhe please name k sath pdf upload kra kro 😢

  • @divyanshidamor2824
    @divyanshidamor2824 4 หลายเดือนก่อน +1

    52:20 (Premanand Ji Maharaj)* 🙏🏻

  • @anujchand5277
    @anujchand5277 10 หลายเดือนก่อน +2

    Sir Esme refraction through a prism bilkul samajh nahi aaya aapne pura ulta fulta notation liya hai kuch samajh hi nahi aaya 😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😔😔😶😶😭😭😭😭😭😭😭

  • @SHUBHAMsingh-vz4rg
    @SHUBHAMsingh-vz4rg ปีที่แล้ว +1

    26:57 what sir said and what he is reading in comment
    Is criticism comment like some fool
    And selfish child Are doing
    But guru ji koi gal na
    Acc. To lenz law
    Jiski thali mai khata usi se virodh 😂😂😂
    Love you sir keep smiling forever ❤❤❤🎉🎉

  • @30-sumitjaiswar71
    @30-sumitjaiswar71 ปีที่แล้ว +30

    With due respect to the EWM theory given by Maxwel → light is a form of energy which travels through waves... Whenever light falls on a object it absorbs some energy and reflect the rest of energy which falls into our eyes and forms an real image! Jai phy ❤

  • @SyedNayyarTaaban-iv6hw
    @SyedNayyarTaaban-iv6hw 11 หลายเดือนก่อน +2

    Sir is it sufficient for other board exams..e.g J&K boards...

  • @yashlofi787
    @yashlofi787 ปีที่แล้ว +2

    Tell me please that is this also helpful for jee aspirants or for boards

    • @toonworld0777
      @toonworld0777 ปีที่แล้ว

      Not for jee..bro it's only for boards...

  • @udbhavkrishnagaur
    @udbhavkrishnagaur 2 หลายเดือนก่อน +3

    8:05 HWN not HRN (because W=written)

  • @Ayirmirror
    @Ayirmirror ปีที่แล้ว +1

    22:24
    28:06 + eg

  • @krishnaabhishek6887
    @krishnaabhishek6887 10 หลายเดือนก่อน +2

    1.47.40 Ans fw = +78.2 cm

  • @Arjunacharya231
    @Arjunacharya231 9 หลายเดือนก่อน +1

    9.4 mai jab mai v ki value nikal ke formula use kar raha hu tab vi=1/320 aaraha hai please tell how to do sir

  • @princesharma6292
    @princesharma6292 ปีที่แล้ว +2

    Sir wave optics nahi aega kya dabang batch me vo video old hai sir

  • @DimpleRathore_
    @DimpleRathore_ ปีที่แล้ว +25

    I would just say thanks a lot sir
    Like seriously this was the one I was searching for after so long etne lectures dekhne k bad best one shot Mila never commented on any video but you really deserve sir ❤ thanks sir ❤

  • @bhumikasharma3846
    @bhumikasharma3846 11 หลายเดือนก่อน +2

    Good evening sir, I am only following ur notes coz I am preparing for JEE as well so is it enough for boards?

  • @Aditya.pathak1126
    @Aditya.pathak1126 9 หลายเดือนก่อน +3

    Sir ap padha dijiye last me apna advertising kijiyega 👍...har 5 min baad krte hai flow bigad jata hai

  • @cric45SS
    @cric45SS ปีที่แล้ว +5

    50:00 thank you sir, apki vajah se Physics me interest vapas agya h..... 🙏🙏🔥

  • @Levi_Goat_Smith
    @Levi_Goat_Smith ปีที่แล้ว +1

    ye batch continue hoga na? wave optics ka new lecture acc to 2024 ayega? playlist me to chanakaneeti 4.0 dikha raha hai

  • @adityasaraswat2192
    @adityasaraswat2192 9 หลายเดือนก่อน +3

    SIR IS THE BEST TEACHER .....SIR 0.5 KI SPEED M PADHATE H ACCHA H 2X KRNE P DIKKAT NI HOTI

  • @omjijangirkurli2491
    @omjijangirkurli2491 3 หลายเดือนก่อน +1

    Such a peaceful voice which gives relief from physics problem👏👏🎉

  • @Sanazz__15
    @Sanazz__15 ปีที่แล้ว +87

    One of the best explanations sir! Now I'm getting confidence to score more than 90% in the next exam...

  • @paridhigupta3188
    @paridhigupta3188 9 หลายเดือนก่อน +1

    Doubt- Why do we use Sin function only in Snell's law and not cos or tan? (i was asked this in my viva)

    • @djsniper1767
      @djsniper1767 9 หลายเดือนก่อน

      vaiiiiiiii aise sawal boards me nai ayenge behatar hai bhul jao

  • @rocking19gamesandsports75
    @rocking19gamesandsports75 10 หลายเดือนก่อน +7

    Jai Shree Ganesh

  • @bhavyae_789
    @bhavyae_789 11 หลายเดือนก่อน +3

    Previous student pls give honest reply, are these one shots enough to score 65+ in boards 12th????
    Pls reply

  • @Yooo.life0
    @Yooo.life0 11 หลายเดือนก่อน

    43:01 sirrr aapne bola khood se karo mere answer aa raha h :- m=1.59 and v=15.90 aapke formula ke hi sab se , aur book ka answer dekh rahi hu toh usme -2.5 pata ni kaha se aa raha h 10*7.5/-2.5 is me 2.5 pata ni kaha se aa raha h 😭😭😭😭 please someone help

  • @kalp7editz
    @kalp7editz ปีที่แล้ว +2

    Sir I have a doubt...if n2/v-n1/u=n2-n1/R for spherical surfaces by lens then what is n/v-1/u=n-1/R..in our school we have taught this formula...??

    • @Avon-yi3uf
      @Avon-yi3uf ปีที่แล้ว +1

      First one is for rare to denser medium and 2nd one is for denser to rarer.

    • @kalp7editz
      @kalp7editz ปีที่แล้ว +1

      @@Avon-yi3uf ok.!

  • @saumyashukla_2011
    @saumyashukla_2011 5 หลายเดือนก่อน +1

    1:00:30 yeah sir likh rhe h very helpful notes ❤

  • @Official_BruhGamesYT
    @Official_BruhGamesYT ปีที่แล้ว +1

    1:47:38 ans 78.235 cm

  • @AyushSingh-fp1py
    @AyushSingh-fp1py 9 หลายเดือนก่อน +2

    Is this lecture enough? Matlb oneshot dekhne ke baad theroy smaj aayegi?

    • @Anonymous-wc5nk
      @Anonymous-wc5nk 9 หลายเดือนก่อน +1

      Bilkul nhi

    • @Anonymous-wc5nk
      @Anonymous-wc5nk 9 หลายเดือนก่อน +1

      Mereko to bilkul samajh nhi aaya

    • @AyushSingh-fp1py
      @AyushSingh-fp1py 9 หลายเดือนก่อน +2

      @@Anonymous-wc5nk dhanyawaad bhai batane ke liye 🙂🥰😭

  • @sambodhsanklecha1104
    @sambodhsanklecha1104 11 หลายเดือนก่อน +1

    49:53 sirji aisa bhi toh boliye ki accha lagta hai energy milti hai sukoon milta hai AND PAISA BHI MILTA HAI 😅

    • @chinmayfuloria6589
      @chinmayfuloria6589 11 หลายเดือนก่อน

      unhe paisa milega tujahe kya chod na bhai apna kam pdna h kahin se bhi pde btw Happy new year

  • @Aarshusal6762
    @Aarshusal6762 ปีที่แล้ว +2

    How the mirror equation derivation has triangle CMF and also gama as exterior angle

    • @gg-zv1ty
      @gg-zv1ty ปีที่แล้ว

      CMI hona chahiye

  • @Jonykaushik.6436
    @Jonykaushik.6436 ปีที่แล้ว +4

    Jb light object pr pdkr hmari eyes me jati hai tab hme objects dikhai dete hai😊😊🥰🥰

  • @Aaloo_0.2
    @Aaloo_0.2 ปีที่แล้ว +2

    Sirr.!! BRAMHASTRA SERIES.. es brr jan mai start kr dijiyega..plzz🤧🙏

  • @Vipin.Yadav.00685
    @Vipin.Yadav.00685 ปีที่แล้ว +2

    Physics samjh ati nahi per apka video dekh kar achha laga😊😊

  • @bhumikasharma3846
    @bhumikasharma3846 11 หลายเดือนก่อน

    32:50 sir isme F ki bajaye I nahi aayega kyuki humne gamma angle I par liya hai from figure....

  • @Seema1207_
    @Seema1207_ 2 หลายเดือนก่อน

    1:47:38
    Ans. --》Fw = 78.2 cm

  • @imvengeance26
    @imvengeance26 ปีที่แล้ว +1

    24:13 alternate interior angle

  • @VinitPandey-e8h
    @VinitPandey-e8h 10 หลายเดือนก่อน +2

    Light ray reflected from surface and gave sensesation in our eyes that's why we can visible anything

    • @adityagupta_k
      @adityagupta_k 10 หลายเดือนก่อน

      It's due to Electric field in EM wave

  • @IshaChauhan-rm6sg
    @IshaChauhan-rm6sg ปีที่แล้ว +2

    Sir me apki fan hu phle hmko physics nhi smjh aata tha bss apki vjh se physics mere sbse acha ho gya 😊

  • @bharti1004
    @bharti1004 11 หลายเดือนก่อน +2

    31:33 ∆cmf ki jagah ∆omM aayega

  • @priyanshumaru2804
    @priyanshumaru2804 ปีที่แล้ว +1

    Sir I request you to please go through the older version of ncert because new one has deleted topics which causes problem in competitive exams for ncert revision

  • @Krishabh-t6c
    @Krishabh-t6c ปีที่แล้ว +1

    Sir mirror equation me last ki 3rd line me r=2f kasya aya plz tell me 34:52

  • @sanjeevkunwar3848
    @sanjeevkunwar3848 ปีที่แล้ว +2

    Sir pahele physics kuch nahi samjh aata tha lekin jab se app mile ho na physics haalwa ho gaya hai mere liye thank you so much sir ❤❤❤❤

  • @s.v.mgamers8781
    @s.v.mgamers8781 ปีที่แล้ว +2

    sir ji ma bhout weak student hu pls every q or example ko pua end tak karaya kiji means end tak answer tak pls pls sirrrrr

  • @RohitKumar-ie7sb
    @RohitKumar-ie7sb ปีที่แล้ว +2

    Sir aapne 2023-24 session k dual nature of radiation and matter aur atom vaale chapter ki video nhi bnaai n bnaadoo sirr please...☹️

  • @rocking19gamesandsports75
    @rocking19gamesandsports75 10 หลายเดือนก่อน +5

    Jai Sita Mata

  • @royalboi7359
    @royalboi7359 ปีที่แล้ว +5

    Sir jii board Pura blank rakhye or pen ko Thora patlaa kar ke likhye.. aacha legega

  • @chetnaverma8082
    @chetnaverma8082 ปีที่แล้ว +2

    Someone- Physics kya h physics me ,
    Jingoor se physics h ,
    formula iske yadd hove na,
    samjh yu aave na
    Me - Physics pyaar hai apna 🤩
    Sachin sir se padho pyar ho jayega physics se❣😎

  • @DistractionAway
    @DistractionAway 10 หลายเดือนก่อน +2

    Sir ap mentally bahut help karte hu ap ache se padhate bhi hu me apku judge nhi kar rhi bas yeh vinti h ki ap thoda formula and all ku thoda aur easy bana denge kiya mtlb thodi confusion hu jati h padhte padhte esloye baki thank u so much sir i hope yeh comments pake pass jaye rather then wrong views thank u❤

  • @yashparashar-le6ur
    @yashparashar-le6ur 9 หลายเดือนก่อน

    1:47:27Fw = 1000 × 1.33 ÷17

  • @krithikthangappan
    @krithikthangappan ปีที่แล้ว +1

    Sir can we use this for neet prep also?

  • @babitagulia3299
    @babitagulia3299 ปีที่แล้ว +2

    Note points (NCERT numericals)
    35:17
    41:21
    44:00
    1:25:30
    1:39:23
    1:44:07
    1:53:03

  • @KunalDabi-i5r
    @KunalDabi-i5r 10 หลายเดือนก่อน +2

    2:02:00

  • @secretthinker-0910
    @secretthinker-0910 ปีที่แล้ว +6

    due to reflection.... when light rays fall on any surface they reflect and come to our eyes making things visible whereas in case where there is darkness we are not able to see the things because there is no light ray to reflect

  • @prateekshashrivastav5625
    @prateekshashrivastav5625 ปีที่แล้ว +148

    Sir me apke purani student sir. Jai shree ram sir ❤❤❤❤.

  • @superrr12344
    @superrr12344 9 หลายเดือนก่อน

    sir refraction formula derive karte hue hamne phle se hi u and v with sign liye the then fir in questions hamne u and v ko dubara sign ke sath kyn liya ???

  • @monstervikram1238
    @monstervikram1238 9 หลายเดือนก่อน +1

    Jab light object se takra Kar hammere eye par padta hai isliye object dikhai padta hai.

  • @bhattikhlaq3948
    @bhattikhlaq3948 ปีที่แล้ว

    2:22:03 pe jub D se D cancle k baad f se f cancle hoga tow 1+ D/F kaise aaya sir please reply😢

  • @Funvines996
    @Funvines996 ปีที่แล้ว +6

    A very very very happy teacher's day sir 🎉🎉🎉🎉🎉🎉

  • @shivanshthakur5606
    @shivanshthakur5606 ปีที่แล้ว +14

    love u sir...my physics was the worst..but after watching these lecture..i have gained confidence that i can do better and love the way of your teaching☺☺

    • @duggalAjay-r6v
      @duggalAjay-r6v ปีที่แล้ว

      Kya bro tum b ab ache score kr rhe ho or yeh series tumhare liye b helpful h

  • @prasanth.n5106
    @prasanth.n5106 9 หลายเดือนก่อน +1

    Every thing that our eye see is due to the reflected light from the object and when it goes into our cornea our eye acts as a receiver of light and makes the virtual of real image in our eye.

  • @facegamer996
    @facegamer996 11 หลายเดือนก่อน +1

    Notes milte hi nhi h telegram pe

  • @Funvines996
    @Funvines996 ปีที่แล้ว +6

    You are the best physics teacher in this world 🌎🌍🎉🎉❤❤❤❤❤

  • @rakshitjain0009
    @rakshitjain0009 ปีที่แล้ว +19

    Hatss off to teacher like you sir MTLb school mai hamari teacher ne mirror equation ki derivation itni complex krayi thi sir ki kch smjh hi nhi aa rhi thi but after seeing ur veido sir it was totally easy than that aur sir asani se smjh bhi aa gya thank you sir ❤🙏🙏

    • @shaheen_k
      @shaheen_k ปีที่แล้ว

      How you guys are preparing for derivations....i can't remember it for long time.

    • @shaheen_k
      @shaheen_k ปีที่แล้ว

      @@MJ_King4 thanx man

    • @yogendratiwari2682
      @yogendratiwari2682 ปีที่แล้ว

      ​@@shaheen_khow bro?

  • @Shrishti-y9k
    @Shrishti-y9k ปีที่แล้ว +4

    Thank you so much sir
    Aapne sach me physics itna simply samjhaya ki lag hi nhi rha tha mai physics padh rahi hu
    Aur sir aap beech beech me thodi baate bhi kar rhe the jisse class aur interesting ban gyi
    THANK YOU SIR 😊

  • @urvashibaaghan3571
    @urvashibaaghan3571 2 หลายเดือนก่อน +2

    Kya ye video sahii hh sir 2025 ke board ke liye

  • @tannujangir5178
    @tannujangir5178 ปีที่แล้ว +2

    Bhot bhot Dhnyawàad sir ❤❤❤❤❤
    Itne bhadiya lecture k liye .❤😊😊

  • @PriyanshuSide001
    @PriyanshuSide001 2 หลายเดือนก่อน

    Sir , really thanks a lot sir
    Kitna bhi thanks bole kam h
    Aap sach me bahut acha padhate ho
    Shyd hi yt pe koi aur hooo❤❤
    And sir board ka format aaise hi rakhiye acha lagta h
    Feel aata h ❤❤

  • @s.v.mgamers8781
    @s.v.mgamers8781 ปีที่แล้ว +2

    sir last topic of compound microscope topic not clear

    • @s.v.mgamers8781
      @s.v.mgamers8781 ปีที่แล้ว

      @@RahulSharma-gv3ng abe 😂😂😂