Sound in 1 Shot | Class 9 | NCERT | Sprint
ฝัง
- เผยแพร่เมื่อ 28 พ.ย. 2024
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🗓️ Scheduled Syllabus For Sprint ( Class 9th ) released describing which topics will be taught for how many days.
•Duration:-1 month (Jan 2021 - Feb 2021)
🎉 Free Batch Exclusive on our TH-cam Channel : Physics Wallah Foundation - 9 & 10
•Batch Details :
1) Best Faculties across India for different Subject/Topics.
2) Complete & Relevant Syllabus Coverage of Class 9th within 1 Month - Fastrack January 4,2021- February 15,2021
3) Monday - Saturday : Scheduled Classes everyday.
•Physics : Tuesday, Saturday
•Chemistry : Wednesday , Friday
•Mathematics : Monday, Wednesday, Friday
•Biology : Wednesday , Thursday , Saturday
•S.ST : Tuesday, Thursday, Saturday, Sunday
4) Scheduled Syllabus released describing which topics will be taught for how many days.
Available at PhysicsWallah App
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❤️ Padhai Karte Rahe, All The Very Best 👍
My final exams are done but i am here to like this video..😋😋..
Mee too
Me too
That is video not vdo 😂😂
@@CrazyTips-qj9be
I know!.
But vdo is the shortform.. Ok
I was doing joke,, itna serious kya Ho gae
When Sir Said - Mai Jada Theory Nhi Pel Rha ! 57:22
I Was Like - 😱
Samee...😂
Mai ia sunko comment padhne agaya 🤣🤣
Sahi mein yaar main socha ki sir bhi 🤣🤣
Sameeeee
I was in shock when sir said
Nostalgic vibes✨
The same video I watched 2yrs ago and TH-cam recommended it today❤
Missing those teachers
With these Memories ❤❤
real bhaii yaad aati hai 9th ki
33:27
Two types of waves
LONGITUDINAL waves : waves which are (along) in the direction of oscillation of particle.
Eg: Sound waves, waves in slinky (spring)
TRANSVERSAL waves : waves which aren't not longitudinal waves instead they oscillate up and down (90°) but the wave is in the 👉 direction
Eg: Light, When you waash the coml
Shi he bhai
Thanks bhaiya
1:07:57
3:37 pankaj sir wants to know your location 🤣
14:12 who havent seen spring can take out their click pen's spring that what i just did 🤣
We want Rakshak sir in 10th, 11th, 12th respectively.... Really physic concept was clear..
I want alakh sir
@@gamingkings7488 we want rakshak sir 😇
Rajwant sir bhi mast padhate h
🥲
I also want rakshak sir
Alakh sir jaisa koi nhi dost
41:02
The mosquito be like: merko bhi sound padhne ka hai😂😁
😂
DJ WALE RAKSHAK SIR!
MERA GANA TUM CHALADO
Best thumbnail 🤣🤣
Wahh cha gye guru😂😂😂😂
@khan tabish nahi samaj aaya bro
@khan tabish tere baap ko
Pagal hai kyap
@@codinglife4937 pagal hai kya
1:10:58 can't stop my tears from laughing🤣🤣😂😂😂🤣🤣🤣🤣🤣🤣🤣🤣🤣
Sahi baat hai 🤣🤣🤣😂😂😂
Sahi mein 😂😂😂
Bhg
Wow!! I'm preparing for competitive exams and found this sprint series helpful in boosting my basic concepts ... We need such plateforms to support those who can't afford coaching and private tuition cum schools!
It would be my suggestion to the students of board exams don't opt coaching classes in which your time is spoiled rather you can stay connected on this plateform to secure good grades with conceptual clarities.....
Sprint series ke baaree me detailed information de skte ho kya?
Same
Sam2U 😂
Iss chapter ke notes PW mein kaha milege
True💯
57:26 Theory Nhi Pel Rha Awesome
Baapre baap sir aap itna raat tak jate ho sirf hamare liye love you sir❤️hame to bas videos hi dekhni hain
May God bless you Sir!❤️
Yes sir 😭😭🙏🙏🙏
I completed 100 like..
@@shishunag6615 but he was Mukesh soni
AAAP KA SAADI JALDI HO,MERA ASHIRVAAD HEH,AUR AAPKE BETE TERRORIST BANE!
@@shishunag6615 tune hi todhi na kare hai
Sir's Hardwork is really appreciable.🙏🙏
not ONLY his but every teacher's
You are right
marvelous sir
❤️❤️❤️❤️❤️👍👍👍👍👍👍👍
Exactly bro
physics wallah is not a company it is an emotion.🙂🥺🥺😢❣❤💛💙💚💜🤎🖤🤍💞
padle
essa marks nahi aayenge
When sir said "KYOO" at 37:33 I literally laughed a lot ❤🙂😅
I am in class 11th now so watching all the basics of class 9 science
And this truly helps🎉
Same bro
Same
Sme 😢
Hacker
1:54:14
Jasmeet sir OP
Rishabh sir OP
Shadab sir OP
Sanyam sir OP
Alakh sir OP
Rohit sir op
Kundan sir OP
Pankaj sir OP
It's like 2:30 in the morning but sir's lecture is pretty addictive that I am unable to leave the lecture now... just sir and his amazing teaching ways keep us alive.
2;30 morning lmao 🤣
Chall jhootha😅😂
Bhoot
@@sanatanilion 9 baje sone waale bacche
Same i am watching at 2:23 am
1 chapter in only 2 hrs and such an explanation without break 🔥 Thank you so much sir🙏
WELCOME
Hi cute girl
yes
@@White_acid_official. chal be chapri
😘😘
35:15
Waves Are 2 types Base on Propegation ,
1) Mechanical wave:- need medium for propegation
2) electromagnetic wave:- not need medium for propegation
Sir u are only the person who developed my interest in physics.😌 Thank you very much such for such a informative and enjoyable teaching.🙏🙏💖💖
lol this is not even physics i saw my brother;s 11th class physics textbook and i died
Hello 🤗🤗🤗
@@fathom-c7o uff....💀ghost
@@fathom-c7o loll😂
Hlo
BEST PHYSICS TEACHER IN TH-cam... REALLY APPRECIATE YOUR EFFORTS SIR...
Hii
RAJWANT SIR AND MANISH RAJ SIR(M.R. STAR) BE LIKE -TO MAI KYA KARU JOB CHOD DUUN
Alakh sir too.
it really funny to see how nobody noticed that while sir was teaching human ear it was written human eye. It just shows how concentrated everybody is.
but sir really nailed it. I enjoyed how sir taught the whole lecture with so much enthusiasm.
🎉
But sadely you are not concentrated in lecture
@@Thespelliscript-tc2bu yea lol
Bro i noticed that
Focus on concept not on faults nonsense
47:04 kya line bole sir.. point hai.
"Bajana toh padega tabhi aawaj aayega"😅😂😂😂
57:20 bhai yaha pe kya bola sir ne sun 😂
@@confusededitor7😂
Best example is purple ocean of transverse wave
trueee
Heello
💜💜
What is purple ocean
Army are really everywhere 😂
Who all are watching this after 9th Final exam??
Salute to you...
Me
Sir bhoot hote h aapne conjuring nhi dekhe kya wo film true story par based hai
@@gajalaperween7310 Maine Conjuring nahi dekha... Par IT Chapter One aur Two dekha hai...
Aap bhi dekho...
Superb hai
🏅🏅👍👍👍
@@kumarvishal38 Yes... Very much
but can't find the right platform for learning it...
1:00:01 bhai sahab kya joke tha 😂😂
1:10:01 What A Voice sir
Rithik roshan bnadiya mere ko 🤣🤣🤣🤣🤣🤣🤣🤣🤣
Legend line sir
You Nailed it sir (HATS OFF)
Loads of respect.
It is lots not loads
@@neonblade8999 loads bhi ho skta h
Hi dheeru bhai
@@khelo_valo5148 Op bro dhruv ko dheeru
@@blackstatus67 🤣🤣🤣😂😂😂
वाह गुरूदेव आपसे अध्ययन करके मैं मोहित हो गया
Aap toh ved prakash hai na
Kya bhayaa aap to shuddh hindi likhen😅
41:15
Machhar be like :- Rakshak Sir teaches so well I also want to study.. 😂😂😂❤❤❤
After one year students are watching this video and feeling emotional (including me)
Me too feeling emotional, being in class 9th😅..........
Hello
@@mrshadowff8503 😂😂 relatable 😂
Kyu kya hua
@@darkxgaming4896 are if you have studid whole sci from pw from starting then you might feel emotional
I can't control myself while you are saying "patli aawaj hogi .....ohh my god ..... fantastic ...😂 ...stay blessed always .
😅
Hii cute girl
@@shubham-arya abe saale
@@anweshthakur2817 behan ki ma ki
@@anweshthakur2817 report him
41:03 there are lots of problems create during video recording but still you make better video for us I really appreciate it very much!! Thanks for helping all us Students
Gii
🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓🐓 your photo
Yaaa❤❤
I come to improve my basic.
same going to class 11 so I thought to revise all class 9 chapters
@@hahaohh
My intention is also same
1:25:09 but in music production we think how to increase reverb to make it eternal😌
Yup
Luckily this chapter are deleted from my syllabus 😁😁 but I still want to watch this video because I like rakshak sir study style and now I like study physics so.......yah
Ya bro i also
Sorry but I am girl not boy 😐
U were too unlucky just like me
@@gamingkings7488 means and way ?
Ya I also
I'm very Happy by knowing that rakhshak sir is only teaching in class 10 also..😊 as hamari 9th over hone vali hai.
Best teacher nobody can beat rakhshak sir in teaching..❤
to all those who are having a doubt whether to watch this video or not, even I did... But all my concepts are crystal clear now. PHYSICS WALLAH FOUNDATION IS A REVOLUTION IN OUR COUNTRY'S EDUCATION SYSTEM.
Sir I didn't have any words to express my devotion and thanks to you for give us such a marvellous lecture on sound. We appreciate you. Thank you very much sir from the depth of my heart 😇
Oho!
Don't tell lie!
Jab physics ka koi knowledge n ho tab hi koi asa bol sakta heee...
Sir you are great 🥰
1:44:25 am I the only one to notice “eye” instead of “ear”🥱
Bro maine bhi ye notice kara hai but mai comment section me dhund raha tha ki kisi ne notice kara ya nhi but tum mil gaye 🤣🤣
@@bitaalfa8896 😂😂
1:48:08 who noticed that the topic is written human eye not human ear 😂😂
Sir kya wire ke through sound travel nahi karegi😮❤ 53:26
This is my first time on this channel
I m so happy that I m able to remember the concepts otherwise everything just vanishes from my mind after watching the lecture.
I m so glad thank you so much 💖
Kio baat nahi
@@bookswillchangethelife8042 oooo
51:42 Speed of sound in aluminium = approximately 6000m/s
@@aryankarothiya3448 He is saying approx
Since, aluminium is metal and the speed of sound in metal is 5100 m/s that's why we have to assume the speed of sound in aluminium as 5100 m/s.
Guys he was just telling the fact he was not opposing sir's statement
Padhlo chupchap😮
Thank u sir for teaching physics in such a lucid way.. i am preparing for competitives and taking ur class for boosting up my physics preparation...
Beta ek question puchhunga chup ho gayi 😁🤣🤣
@@pranavsharma4137 Bhai dum ho to puch le .... ye khali ki dhamki dene me kya rakha hai
Aa beta tu
@@arnavbopche3558 To bata centre par gravity zero kyo hoti hai
@@NerdyGurl-q5u Agar tujhe Gravity ka formulae ata hoga, to tujhe bhi aa jayega.... Just put radius as 0..
Comedy time 😂😅- 34:52 ⬅️Click
Edit - Mean comedy 😂- 48:51
1:10:01 entertainment Start 😂😂😂😂😂
😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂
Me watching it after completing my 10th grade because it was deleted in my session
And needed to learn it because there are many concepts based upon the chapter in grade 11 🎉
Same
But this chapter is very boring
It's right
Same bro
@@zeeshannoor6050 No
Newton's 4th law says that every book continue to be in rest until and unless internal or external exam appears and speed of page turning is directly proportional to the syllabus to be covered and tension in the mind remains constant.
😁
😊😊😊😊
sir, this is the best explanation of sound chapter and in this chapter you also know many thing about biology and, just i want to say this is the best
Yes, I also love this sirs explanation but sadly in the NEEV pw channel there is barely any videos of him
The legends who came a night before the exam. Attendence lga do🌚🤌🏻🪐🫂
Present from bihar
Abe pagal ho kya padhne aye ho ya majak karne😠😠😤
1:44:25 sir bilkul bana raha hu.....aapke is attractive padhane ke tarike se koi bhi bana rahega 2-4 hours..you are the best teacher sir exam ke pahle aapne yah chapter nahi padhaya tha to maine kai jagah se padha to kuch bhi samajh nahi aaya lekin mujhe yakeen tha ki aap jab padhaoge to jarur aayega..
Magnet brains is the best channel
Best teacher I have ever seen, Sir your teaching is so nice which I understood so nicely to score nice marks 🤩
Marks even don't mean but I cleared My All doubts in just one session 🥰
🖐️
Iss chapter ke notes PW mein kaha milege
Hhhh
1:44:26 ANYONE NOTICED THE TOPIC 😂
RAKSHAK SIR OP
SIR ME CLASS 9 ME HUNN AUR KAAL LAST EXAM HAI AIR MAI 10 KI TAIYARI START KARNA CHAHATA HU PAR KAHI PAAR BHI FULL SYLLABUS ( WITHOUT REDUCTION ) VIDEO NHI HA
APPKI TEAM SE YEH REQUEST HAI KI PLZZZZ NINTH WALE JO TENTH ME JAYEGE UNNKE LIYE NYA BATCH JALD SE JALD START KAR DO PLZZZZZ
WHO AGREE GIVE SUPPORT PLZZZZZ
👇👇👇👇
57:25 was amazing just listen the words carefully
😂😂
Bro i listen the word and i was shocked 😂
Sir dhyan nhi diye aur edit karna bhul gaye
1:06:16 was funny 🤣
You are right
Literally yarr sir apki class bilkul bhi boring nhi hoti example......1:00:05
Sir please Introduce NTSE and pls make a course for it
Yes sir
1:13:25
Pov: no Pavan was harmed during this video 😂👍
Pov:you used pov wrong
@@leviuzumaki656 humko sikha riya hai
@@deepachaniyal5106 ok
@@leviuzumaki656 😭naruto ho ya levi jee?
@@GINZZZY I'm monkey d luffy
Thank you sir for making our class 9 physics journey so enjoyable . We have gained a lot of knowledge from this journey
Haa kya
Hhhhhhgh
2023-2024 wale attendancelagaye😂
We
Present sir
We
..
Present sir
50:00 best part
51:31 aluminium me speed 6420m/s hoti h
Sir agr aap na hote to ajj ye 70thousand bche fail hote jinhone vedio like kri h thanku sir to make us study in such a intresting and gorgeous way
Thanku so so so much🌷🌷🌷
Cochlea as Pokemon 1:50:55
And nu as moda hua v 1:00:03
😂😂
When he is teaching about human ear.. There was written human eye.. 😶
But it doesn't matter... Cuz your explanation was just "WOW"... I really appreciate it.. Thank you so much❤
3:38
😂😂I really thought sir is going to leave
Btw thank u very much sir
1:44:39 there was diagram of Human Ear but by mistake there was written himan eye
1:37:23 sir what is the meaning of ta......
same question
shayad surgery karna ya insaan ko upar bhejna tha..
After watching Everytime to Our Rakshak Sir .. I feel how can someone explain so good☺️
Studied from pw in 9 and 10 class it is awesome. Just love it 💕
Love it
1:37:20 agar stone bade hote hai toh tak!! 😅
As it was deleted chapter but you have done it sir you did a great job,🙂
Not deleted
Your hardwork made this chapter more attractive and knowledgeable
Thank you SIR 🙂🙏
You are just amazing teacher ever with whom i have taught
1:44:24 Humar ear ke jagah eye likha hua hai.
Video starts from 3:55
57:30 sir ki interesting voice 😅
Hi
Hats off for the sir very nice teaching 🔥🔥🔥🔥🔥👍👍🙏🙏💯💯💯💯
I wish this type of teacher also teach in Maharashtra board of PW platform class 11 😢😢😢
I Salute Sir from the deep of my Heart😎😎🙏🙏😍😍😭😭
😓
5:33 eis sence ko dekar to muja ben 10 ka alien Echo Echo eyat ha gaya😂😂😂
Best teacher!!!🥰!!! Koi bhi teacher Rakshak sir jitna achha class interaction create nhi kar sakta...😌😌...Super Duper Teacher..🤩🤩...
Bhai poonia sir ki duniya me jaao, every teacher are giving their best
1:53:14 Only Legends had noticed the title 🤣
09:19 same with vibrational motion 🤯🤯
Sir, you are genuinely interesting..I love watching your videos!!
I wish that PHYSICS WALLAH will cross 500K soon..
Ho Gaye ｡◕‿◕｡
@@adityadaila4669 I AM HAPPY!!
Hi aunty
Yes
Bhai 1.5 million hone vaale hai
Alakh sir please start class 9 foundation batch for the students of class 8 who are getting promoted to class 9
Yes sir plz
Yes
1:45:40 Sir Ear ki place par eye likha hai😮
Hello sir, I am of 7th class and I am watching PW's videos because our course is quite similar and I dont think there is any problem In learning something extra because Samriddhi am said Knowledge never goes waste. Thankyou everyone of PW team!!!! earlier I used to come in top 15 and this time I came 6 and I'm sure I'll come first this time!!!! THANKYOU SO MUCH!!
Nyc, keep it up
It mean you came 6😂😂
9 se sidha 6 maara 🙄
i am in 10th still watching 9th videos
I am also in class 7
This chapter is actually also helpful when you are learning music producing apps like fl studio
are you from India
@@nikhilmaurya7766 yes
@@normiegeeks450 ok but your name is different
@@nikhilmaurya7766 kuch bhi?
@@normiegeeks450 really aapka profile indian nahi lagata
Sir: it took me 5 hours to make this video
Me: who took 13 days to watch this video 👁️👄👁️
Rakshak 2.0
Dg version
Background 🎵 music improve
Screen quality improve
Black screen removed
Sprint journey ended
New version 2.0
37:36 😂🤣😂🤣 also asking why is the nature of student 😂🤣
Time ke saath comment kaise karu
@@CBxCLASHER use this 👉 :
The chapter explanation begins at 3:55 😇
Sir We want a video on numericals plz 🙏
46:11 amazing 😂😂
Thumbnail is just 😂😂
op jasmeet sir 🔥❤️