Physics: Sound Wave MCQs

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 S₁,S₂,S₃,S₄ respectively , interference phenomena would be observed in space under appropriate conditions when

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,

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,

transverse waves can propagate

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