Two sound sources when sounded simultaneously produce four beats in `0.25` second. the difference in their frequencies must be

Two tuning forks when sounded together produce one beat per 0.4 s. Then the difference of their frequencies is

Two sources of sound produce 20 beats in 4 second. What is the difference in frequencies of the two sources?

Two sound sources produce 12 beats in 4 seconds. By how much do their frequencies differ?

Two sound sources produce 12 beats in 4 seconds. By how much do their frequencies differ?

Two sound waves produce 12 beats in 4 second. By how much do their frequencies differ ?

Two tuning forks when sounded together produce 5 beats in 2 seconds. The time interval between two successive maximum intensities of sound is

Two tuning forks when sounded together produce 5 beats in 2 seconds. The time interval between two successive maximum intensities of sound is

Phenomenon of beats is audible if the difference in the frequency of the sound waves is