Two vibrating tuning forks produce waves given by y₁ = 4 sin 500$$\pi $$t and y₂ = 2 sin506 $$\pi $$t. Number of beats produced per minute is

Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect the following number of beats per second.

The time of reverberation of a room A is one second. What will be the time (in seconds of reverberation of a room, having all the dimensions double of those of room A ?

Which one of the following statements is true ?