Heat beat is heard on left side as

The fundamental frequency of a somometer wire of length l is f_0 . A bridge is now introduced at a distance of trianglel from the centre of the wire (Delta lltltl) . The number of beats heard if both sides of the bridges are set into vibration in their fundamental modes are

Two open pipes A and B are sounded together such that beats are heard between the first overtone of A and second overtone of B . If the fundamental frequency of A and B is 256 Hz and 170 Hz respectively , then the beat frequency heard is

Two open pipes A and B are sounded together such that beats are heard between the first overtone of A and second overtone of B . If the fundamental frequency of A and B is 256 Hz and 170 Hz respectively , then the beat frequency heard is

What should be the frequency of beat so that it can be heard clearly in case of sound ?

Beats are heard when the A strings of two violins X and Y are played . If the tension in the A string of X is slowly increased, the beat frequency is decreased. This suggests that