# Physics: Sound Wave MCQs

##### 36. Question

out of the given four waves (1) (2) (3) (4)

y=20 sin (100πt)…….(1)

y=20 sin (101πt)…….(2)

y=20 cos (100πt)…….(3)

y=20.1 sin (100πt)…….(4)

Emitted by four different sources S_{1},S_{2},S_{3},S_{4} respectively , interference phenomena would be observed in space under appropriate conditions when

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##### 37. Question

velocity of sound waves in air is 330m/s.for a particular sound in air, path difference of 40cm is equivalent to a phase difference of 1.6π. frequency of the wave is,

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##### 38. Question

velocity of sound waves in air is 330m/s.for a particular sound in air, path difference of 40cm is equivalent to a phase difference of 1.6π. frequency of the wave is,

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##### 39. Question

transverse waves can propagate

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##### 40. Question

in a sinusoidal wave, the time required by a particular particle to move from maximum displacement to zero displacements is 0.025 sec. the frequency of the wave is

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