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

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

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 turning forks produce 4 beats per second when sounded together,The frequency of one of them is 200 Hz.When the other tunning fork is loaded with a little wax. The beats stop.The frequency of second funinf fork is

A source of sound with adjustable frequency produces 2. beats per second with a tuning fork when its frequency is either 476 Hz or 480 Hz. What is the frequency of the tuning fork ?

A sonometer wire of 1 m length is divided into two parts by a movable bridge. The two parts differ by 3mm and produce two beats per second when sounded together. Find their frequencies.

At 16^@C , two open organ pipes , when sounded together, produce 34 beats in 2 seconds. How many beats per second will be produced, if the temperature rises to 51^@C ? Neglect the increase in the length of the pipes.

The couple of tuning forks produces 2 beats in the time interval of 0.4 seconds. So the beat frequency is

A tuning fork of frequency 100 when sounded together with another tuning fork of unknown frequency produces 2 beats per second. On loading the tuning fork whose frequency is not known and sounded together with a tuning fork of frequency 100 produces one beat, then the frequency of the other tuning fork is