42:41 Nunber of oscillation = 20 Frequency = Totam Oscillation/Time taken = 20/1Hz ={20Hz} Ans 😊😊😊 48:44 Paisa hi paisa hoga 😂😂 Pw is better than school 😂😂😂😊
48:36 the dialog is paisa hi paisa hoga.... And sir the answer is One oscillation = 1 Hz or frequency Then 20 oscillation = 20 Hz .... Thanks sir..... Love from bihar to whole ❤ PW tutors and facilities.....,
🎉😢😮😅😊😊 bahut Sundar song download kro pilij kas me to send you bhai ki bebstha ji ka no de rakhi bat 🏓 🏓 🏓 🏓 🏓 🏓 ka hai kya sar se ho gaya hai na madam ko kahan hai ghumne ka ek jagah hai kya sar me aaoo belkam h na medam ko bula dijiyega ki nahi hai na madam se baat kar sakte hai kya aap mujhse baat hai kya 😮@@alokpratapchoubey6329
Sound is a form of energy which makes us hear and travels in the form of waves. Sound is produced by various sources. Though sound is mechanical in nature, its perception is, of course, largely physiological. Hope it helps❤, like ka button dabadena agar ye useful laga hoga😂😅 👇
Paisa hi pasa 😂 hoga sir I must say you and all teachers are teaching us very deeply we understand clearly because all speech peace full and something funny so we understand clearly
No. of oscillation = 20per sec We know that no. of frequency is 20/1hz=20hz Thank u sir for teaching I have an exam tomorrow and u teach us very very nice
Q) If a object oscillates 20 times in one second , what would be it's frequency Answer. Frequency = No. Of oscillations or revolution/ Total time taken Total oscillations =20 Total time taken = 1 second Frequency =20/1 Frequency =20hz (As unit of frequency is1hz for one oscillations per second)
Answer of the given question: No. of oscillations =20 Frequency = oscillations in 1 second Hence, Frequency= 20 Hertz (since unit of frequency is Hertz) And thanks so much sir for teaching so well 🙂🎉
Your explanation is really really good..your way of teaching and the way you explain the concepts is also really good sir..thank you so much for such a great explanation.💗
Thank you so much sir......... Actually I was not feeling well so I didn't attend my classes and at that time only in my school this lesson was being teacher and my classmates told me that this ln is very important it will continue to 9th and 11th also so I searched this lesson's explantation and I got this video whoever is seeing this video all your doubts will be cleared after watching this video .......................... But guys believe me till 16:45 you will be learning about vibration so if you don't have time you can start the video from 16:45 from there the actual concepts starts And thank you so much for ready my comment by giving your time 😊💖
No of oscillation =20 Frequency= Oscillation/time taken =20/1 = 20Hz Answer = 20Hz Thank you for teaching my all doubts are clear and your teaching method is wow 😊😊 42:31
The last seen of video We understand the seen without sound because we hear this sound before video in a film And our mind cached this as memory And we understand the sound without sound . Thank you sir Easy question
Q)If an object oscillates 20 times in one second , what would be its frequency ? Answer) Frequency = no. of oscillations per sec / time period =20/1 = 20 hertz Easy Question Thanks Sir.
Yaar aap yha padhna aate ho ya sab se ye puchne aate ho ki kon kon is vidio ya is short vedieo ko is mahine ya is din ko dekh rhe hain wo like kare aap sab ko samajh nahi aata ke aap aay kis kaam se aur kar kya rhe ho fine mera naam Shagufta hain meri aapse bas yahi guzarish hain ki ye aadat chod do please
42:41 Nunber of oscillation = 20
Frequency = Totam Oscillation/Time taken
= 20/1Hz
={20Hz} Ans 😊😊😊
48:44 Paisa hi paisa hoga 😂😂
Pw is better than school 😂😂😂😊
48:41 Paisa hi Paisa hoga
Shai me yaar pw is better then school
@@DARKGAMER11233 right ☺️
School ko chhod do😂😂
@@Nileshgreninja- ha but phir ye society nahi jine degi bolegi ki dekhi school chhod jar beth gayi 😒😒
Who 🤔 is watching this in 2024😊
Iam
Me
Me😂
Me
Me
Salute to our physics wallah teachers 👏👏
Sir is quite sick 😷 but still teaching us😊
How you now
he was coughing several times in the video madam@@dileeptiwari2075
Ya they were coughing
Sick yet teaching with SMILE
What is vacuum
Jisko 8 me 90 % plus chyiae like karo
Bhai mere to 95 aa bhi gaye
Bhai mere to 99.5 aa gya😂😂
Jhuutha@@Ayush-v8m
Mera 96.8 aaya
Bhai Mera 97 percent hai
0:23 I literally thought that my speaker ripped off😅😂😂😂
😂
😅am also thought that my speaker ripped off
Same😂😂😂😂😂😅
I thought that it is muted for copyright😅😅..... and also fast forwarded to listen 😅😅😅😂😂😂
True
How many of u are here to complete syallabus as fast as possible to enjoy the left months..... 🤤
0
Meh!
Baji same me bhi
Me
🤘😎
Na bro iam are here in my exams bcoz i enjoyed the whole season :)))
1 oscillation
Frequency=(total oscillation) upon (time taken) = 20/1 Hz
=20 HZ Ans pw best 😊😊
Hi
Hello
Oscillations =20
Total Time = 1 second
Frequency = No. of oscillations
______________________
Total Time
F = 20/1
F= 20
Ans:= 《20Hz》
48:36 the dialog is paisa hi paisa hoga....
And sir the answer is
One oscillation = 1 Hz or frequency
Then 20 oscillation = 20 Hz ....
Thanks sir.....
Love from bihar to whole ❤ PW tutors and facilities.....,
Happy Birthday Alok sir.. you are op 🚩
Thank you sir 🥳❣️
Happy late birthday sir 😊😁. Your teaching is awesome.
Rakshak sir, Aapka Kab hai?
🎉😢😮😅😊😊 bahut Sundar song download kro pilij kas me to send you bhai ki bebstha ji ka no de rakhi bat 🏓 🏓 🏓 🏓 🏓 🏓 ka hai kya sar se ho gaya hai na madam ko kahan hai ghumne ka ek jagah hai kya sar me aaoo belkam h na medam ko bula dijiyega ki nahi hai na madam se baat kar sakte hai kya aap mujhse baat hai kya 😮@@alokpratapchoubey6329
46:36 46:37 46:37 46:37 46:37 46:38 46:38 46:38 46:38 46:38 46:38 46:39 46:39 46:39 46:39 46:39 😮
Kon kon half yearly ka liya padhna aaya ha
Mee bro😂
😊me bro😊
Me😂
after halfyearly
😂me
Exam ke ek din phele aake padhne wale like karo jaldi😂😂❤
sirf tu hamare jaise log nhi
Correct😂
1 din pehele nahi bhai 4-5 ghante pehele 😂😂
same @@dipalideshpande9603
Present
Sound is a form of energy which makes us hear and travels in the form of waves. Sound is produced by various sources. Though sound is mechanical in nature, its perception is, of course, largely physiological. Hope it helps❤, like ka button dabadena agar ye useful laga hoga😂😅
👇
Kin kin logon ne socha ki mobile ka speaker kharab ho gya😂😂 0:23
Like karo
👇
😂😂😂
Me
Ma
Who is the best teacher in pw
Alok sir sunil sir
👍 👍
Alok sir
Sunil sir
Appko kon lgta
Ritik sir..❤
Sunil sir
42:22 frequency=Total oscillation/time taken
20/1=20(HERTZ)
Alakh sir's teaching style be like:
So beautiful
So elegant
Just looking like a wow.....😅😜😘😘
Thanks sir.....💓💓
He is alok sir
Very pleasant video and very useful for back benchers for last days of exam
😂
But why back benchers come to see this video? They did not have time.
@@shayri_ff-loveri m also back bencher tomorrow is my exam and i want 35 makrks out of 100😅😅
@@fggyffffg9542me also
Yess😂🙂
0:23 me turning sound button up 😂😅
Sir, Please make the video of L-16 Star and Solar System
Paisa hi pasa 😂 hoga sir I must say you and all teachers are teaching us very deeply we understand clearly because all speech peace full and something funny so we understand clearly
noupee paiisaa hi paiisaa hoga babu bhaiyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa uhhh.......................... actually thodaaa zyada hi hogya ..................butt koii na oyeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee.........................................................................................................................................................................................................................................bi
Thora paisa mere liye bacha ke rakhna
Finally fund that comment and yes u are right 😂❤💜
Ans:20
Because in definition of the frequency, they have written that ,The number of vibration experienced by a vibrating body is known as frequency
20Hertz
Try in hi Lee iq
In this Akshay Kumar said paisa he paisa 😂😅
Frequency=(total oscillation) / (time taken) = 20/1 Hz
Ans=20 HZ
20 oscillation per second is 20HZ
correct
Yes
Sir mera bhi ye answer hai
0
Yes
42:43 20 hertz is the answer
PW is literally better than school
Right 👍
Alok Sir 🔥🔥🔥🔥🔥🔥
Thank you sir 🥳🥳
Sir this just a fabulous class it works just before one day of exam 😅
At the time 48:40 I can hear "paisa hi paisa hoga babu bhaiya"
My science teacher does not taught like you you clear my all doubts and explain aal the things very clearly ....❤❤❤ like for umang sir...
Backbenchers are watching this video before exam 🙂
I watching this 45 days before exam
Me too but 17 days before😂😂
Backbenchers paste bhi hai
Me watching a day before exam
Yes me watching this video before exam my exam is started yesterday
At 48:40 I can hear-:“Paisa hi paisa hoga babu bhaiya...Paisa hi paisa”
😂😂
Class 9th legends are watching this class8th lacture before starting sound chapter 😎😄👍👍
Answer of the question is 20Hz frequency
If anybody is watching comments and this answer is correct then like👇👇👇
Q1=Frequency :Number of oscillators/time
:20/1 =20per sec or 20Hz
Thank you sir
20 hertz by multiply 1 per sec x 20 oscillations is 20 times
I think the answer is right but the explanation is wrong
@@princetamboliya4599 hmm🤔🙄
@@Farhan_H cfghy
IDC what others will think but i am watching it in my holidays of promoting to 8th class and i have begun early. Science and Maths are my love
Thanks for reading my comment and wasting your time!!
OOOOO yOU have still not understood?? It is useless go away you are wasting your time
Bruh idc what you want to do
Read More
SEE how i tricked you
39:18 dhoni entry sound:122db
No. of oscillation = 20per sec
We know that no. of frequency is 20/1hz=20hz
Thank u sir for teaching
I have an exam tomorrow and u teach us very very nice
1 oscillation -1hz
Frequency - total oscillation/total time taken
=20/1
=20hz😊
Kis kis ko ye lga tha ki hamer phone ki awaj chali gayi
Yeah
Merko
Muja
Mujhe
Me
10:38 mera scale tudwa diya😢😢
48:36
Paisa hi paisa !!!😅
Hera pheri movie
Frequency= Total oscillations/ Time taken
= 20/1=20 Hz (Hertz)
10:02 😂😂😂😂😂😂
My exam is tomorrow but I don't understand this topic so here I am at the last movement😅
Q) If a object oscillates 20 times in one second , what would be it's frequency
Answer. Frequency = No. Of oscillations or revolution/ Total time taken
Total oscillations =20
Total time taken = 1 second
Frequency =20/1
Frequency =20hz (As unit of frequency is1hz for one oscillations per second)
shabaash shabaash.. HEHEHAHAHAHA..(Ravan Style)
huh@@90skalaunda
Ans 20 Hz
It is one of the best platform in India ❤️
Who is watching in September 2024 when half yearly is near
✋
🤚
48:30 hum ye samjh rahe ki ye lecture bahut achha tha or maja aa gaya kuch naya jaan ke
Frequency:-No.of oscillation/time taken
=20/1
=20Hz
Where are you niharika in this time ? I think that I know you ?🤔🤔🤔🤔
Please tell me about you
Some examples of unpleasant sounds are:-
Songs of Dhinchak Pooja, Tony Kakkar and Thara bhai Joginder😂😂
Right ✅ 🚷📳⭕🔱🔓🔓📡 inke bakwas songs ko ban kar dena chahiye 🗣🗣🗣💃🕺🧟🧟♀️👯♂️👯♀️👯
Neha kakkar also
48:43 Paisa he Paisa ❤❤😂😂😂🎉
Sir nice explanation smaz aa gya 🤩🤩🤩
The frequency of 20 times in one second= 20 Hz
❤❤❤❤❤❤❤
Very helpful i appreciate it iam studying one day brfore exam because i was absent in many lecture but this video cleared all my doubts...
Bhai pta chal rha hai before bhi galat likha hai yaar tumne
@@RinkiTiwari-bi9dr thousands of languages but to choose to speak the truth😅
Number of oscillation =20
Frequency=total time taken/time period
=20/1Hz=
=20Hz
This like a teacher 💯 💯
sir ka sab lecture hame aur sabhi dost ko bhi samajh aa raha hai
42:14 frequency= total oscillation/ time taken
= 20/1 = 20hz
I know legends watch 1 day before exam
Me😅😊😅😊😂😂
On the day of exam 😂
Hatt be har jagah yhi one day before exam tum legend nhi gobar ho gobar 😂😂😂😅😅
Legend❌
Gobar✅
😅😅
Kal hai 😂
sound is a form of energy which produces sensation of hearing to ear
Im watching this videa just one day before the half early😎🤯😎🤯😎
Me also😂
Exam se ek din pehle syllabus khatam 😅 PW IS BETTER THAN SCHOOL
Exam result 60% only
Frequency= No.of oscillation/time taken
=20/1
=20Hz
no
No
Sir you study very nice😊I understand but very boring 30:03
Answer of the given question:
No. of oscillations =20
Frequency = oscillations in 1 second
Hence,
Frequency= 20 Hertz (since unit of frequency is Hertz)
And thanks so much sir for teaching so well 🙂🎉
00:01
Thank you so much sir for this video ❤️❤️❤️❤️. You are the best teacher in the world for me 🤗🤗🥰🥰.
Tomorrow is my paper and i am coming now. How many of you are hera like me 👇
Me
Me
Your mom
REALLY ! If they were in place of our teachers everyone would top
:-) 🥺
yes
Yes 🥺
6:06 If you shake your device the black dots will stop
Your explanation is really really good..your way of teaching and the way you explain the concepts is also really good sir..thank you so much for such a great explanation.💗
1 (Hz)= 1 oscillation per second
yes
42:14 Frequency = 20
20Hz
Sir you are very great I love pw class
That's like Qualified✅Teacher👦
Excellent teaching sir.
Such a Great Teacher Ever Ever 😍😍😍🤩🤩🤩
Yess
All teachers of pw are .....just like....god👑✨
Thankyou sir for teaching us🥰🤝
As per you teach
F = Oscillation/Time
F = 20/1
F = 20 Hz
Hii
1 oscillation= 1hz
Frequency= (Total oscillation) upon ( time taken)
= 20/1hz
=20 hz
42:33 20 Hz 🎉
Thank you so much sir.........
Actually I was not feeling well so I didn't attend my classes and at that time only in my school this lesson was being teacher and my classmates told me that this ln is very important it will continue to 9th and 11th also so I searched this lesson's explantation and I got this video whoever is seeing this video all your doubts will be cleared after watching this video ..........................
But guys believe me till 16:45 you will be learning about vibration so if you don't have time you can start the video from 16:45 from there the actual concepts starts
And thank you so much for ready my comment by giving your time 😊💖
Frequency=number of oscillation/time , 20/1= 20HZ FREQUENCY
10:36 Scale Tut Gya Sir 😂
Scale par “made in China” likha tha kya
@@DeepakKumar-uw5hg JI BILKUL 😅😅
😂😂
thank you physicswallah for sound topic phisicswallah=Sucess thank you somuch
Physics not phisics
Ohh my god 🙏🙏 amazing teaching sir.. I really loved your teaching. Your are teaching so wonderfully 💗💗💗💗💗..love from Smith nayak from Odisha 💗💗💗💗💗💗💗💗💗
Hii
Yyghyy
No of oscillation =20
Frequency= Oscillation/time taken
=20/1 = 20Hz
Answer = 20Hz
Thank you for teaching my all doubts are clear and your teaching method is wow 😊😊
42:31
The last seen of video
We understand the seen without sound because we hear this sound before video in a film
And our mind cached this as memory
And we understand the sound without sound . Thank you sir
Easy question
Thank you for 10 like
But I want your percent of class 9 result and other classes
Tell me a New questions of math
My math's percentage of result was 84 %
42:35
Frequency= no. of oscillation/ time period
=20/1
=20hz🎉🎉🎉
i thank for phisics wallah foundation . your teaching scill is so good i understand everything in one shot😀😃😁🤩
bhai skill ki splling scill nhi hoti hai
@@uniquegamer1415 spelling ki bhi galat h bhai teri 😂
i literally thought that my pc has broken for sound
Me either
Same
@@misty9415 😎
Same🤣
@@amboygamer8505 hello
Q)If an object oscillates 20 times in one second , what would be its frequency ?
Answer) Frequency = no. of oscillations per sec / time period
=20/1 = 20 hertz
Easy Question
Thanks Sir.
khoobsurat
The Frequency Of an Object is 20 Hz
Sound is a form of energy that travels in the form of vibrations through air or any another medium 🔉
👏👏👏👏👏👏👏👏👌👌👌👌👌👌♥️♥️❤️❤️❤️💐
Respected sir ,,
Excellent 👌
Exam are near nothing is clear no fear because pw is here ❤❤❤❤❤❤ thank you soooooooooo much pw teachers 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
Bestest teacher of physics ❤
Yaar aap yha padhna aate ho ya sab se ye puchne aate ho ki kon kon is vidio ya is short vedieo ko is mahine ya is din ko dekh rhe hain wo like kare aap sab ko samajh nahi aata ke aap aay kis kaam se aur kar kya rhe ho fine mera naam Shagufta hain meri aapse bas yahi guzarish hain ki ye aadat chod do please
Very funny 😂😂
Nahi ye naho ho sakta ap apne aap se kam karo.........vasse aap coment section me kya kar rahe ho??😂😂
48:44 Paisa he Paisa
, The answer should be 20Hz , Thanks 🙏 sir for your high class explaination😊