Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies `n_(1) and n_(2)` . The number of beats heard per second is

two piano keys are stuck simultaneously. the notes emitted by them have a frequencies 250 Hz and 253 Hz. the number of Beats heard per second is

two piano keys are stuck simultaneously. the notes emitted by them have a frequencies 250 Hz and 253 Hz. the number of Beats heard per second is

There are three sources of sound of equal intensity with frequencies 400, 401 and 402 vib/sec . The number of beats heard per second is

There are two sources of sound of equal intensity with frequencies 400Hz and 408Hz are vibrated together. The number of beats heard per second is

Two sound of very close frequencies say 256 Hz and 260 Hz are produced simultaneously. What isw the frequency of resultant sound and also write the number of beats heard in one second ?

Two sound of very close frequencies say 256 Hz and 260 Hz are produced simultaneously. What isw the frequency of resultant sound and also write the number of beats heard in one second ?

Two sounds of very close frequencies, say 256 Hz and 260 Hz are produced simultaneously. What is the frequency of resultant sound and also write the number of beats heard in one second?

Two sounds of very close frequencies, say 256 Hz and 260 Hz are produced simultaneously. What is the frequency of resultant sound and also write the number of beats heard in one second?