2nd year physics Wave Motion Questions

Will you please provide the 2nd year physics Wave Motion important Questions?

[Kiran Chandar]

Here is the list of few 2nd year physics Wave Motion importantQuestions which you are looking for .


An observer is standing 500 m away from a vertical hall. Starting between the observer and the hill, a police van sounding a siren of frequency 1000Hz moves towards the hill with a uniform
speed. If the frequency of the sound heard directly from the siren is 970 Hz, the frequency of the
sound heard after reflection from the hill (in Hz) is about, (velocity of sound= 330 ms–1).
[EAMCET

A vehicle sounding a whistle of frequency 256 Hz is moving on a straight road, towards a hill
with a velocity of 10 ms–1. The number of beats per second observed by a person travelling in the
vehicle is [EAMCET 2005E]
1) zero 2) 10 3) 14 4) 16
Ans: 16







For more questions , here is the attachment