Waves Motion - Most Important Questions in 1 Shot | JEE Main

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[Sunny-optopi]

In 54:16 we cannot take avg of the 2 values because it is not mentioned that whether 30cm or 70cm is fundamental or 1st overtone.I mean to say that ho sakta hai ki at 480Hz there might be n number of loops be formed.
How to solve then?
L1=0.3m and L2=0.7m
L2-L1=λ/2
λ=(L2-L1) x 2
f=speed/λ
480=v/(L2-L1) x 2

Solve speed
Hence speed of sound = 384 m/s

Hope it helps!!!😇

[Nikku-mzbp]

54:15 option B is my answer
1:06:10 option B is my answer
1:14:23 my answer is 12.15 ≈12
1:28:13 my answer is option D
1:33:57 my answer is option D

[sohamghag]

this is amazing session for me as wave motion is one of the weak topics during my preparation

[beebuttesgamers-]

ans for 1.05.40 is option b i.e 2.25
1.14.33, x=1215
1.28.20 frequency=fo=2250 hz

[FCW_JEE]

End correction in closed pipe is 0.6*R
and in open 2*(0.6*R)

[BakyaSriNithila]

At 5:00 Since They Have Clearly Mentioned In Statement 2 That Intensity Of Waves Of Given Frequency ( Which Means Same Frequency) Then Intensity Shall Depend Only On Amplitude Right. Now That The Frequency Of A Given Wave Will Be The Same For Both Waves Why Can't Intensity Depend Only On Amplitude ???

[manvendraraghuwanshi]

1:22:17 we can easily find velocity by diff. Phase Wrt ' t '

[pupose]

QUESTION AT 54:15 is not being solved by sir method

[_TRADER_Boy]

1:09:41. Beat frequency 8.3 hz
1:14:31 Tension 12.12 N
1:33:55. N app. 750hz

[mrunknowndhanjeetmishra]

1:09:43 the beat frequency heard by each driver is 8Hz ❤❤❤😊

[kushagrasingh]

25:28 Revise this problem
47:37 Revise this problem
1:09:50

[tulsisaw]

Best teacher ever because he is also revising all the concepts with questions...
Love u sir
👍 👍

[AnkitKumar-wuzy]

YOUR BLESSINGS AND OUR WORKINGS WILL GAVE FRUITFUL RESULT.

[Animatorsfanclub]

1:14:31 HOMEWORK QUESTION KA ANSWER X = 1215

[kushalpalbishnoi]

5:17 frequency is given so statement 2 should also be correct

[pushkartrivedi]

Thank You very much sir and i promise that we will meet in result celebration

[celestialnymphx]

1:02:23 how do we know that it's clamped at both the ends??

[RishavrajTripathi]

1:09:21 1:00:37 46:56 14:49 11:06 18:02 24:50 30:51 54:12 1:18:16 1:20:56

[abhilipsaparida]

1st question both statement are correct

[trulypwian]

Sir 1st question mein given frequency Diya hua hai to ye correct hoga na