The frequencies of two tuning forks A and B are 250 Hz and 255 Hz respectively. Both are sounded together. How many beats will be heard in 5 seconds ?

Two tuning forks have frequencies 380 and 384 Hz respectively. When they are sounded together they produce 4 beats. After hearing the maximum sound how long will it take to hear the minimum sound

20.Two tuning forks have frequencies 200Hz and x.When they are sounded together 4 beats/ sec are heard.The value of x is

Four tuning forks of frequencies 200,201,204 and 206 Hz are sounded together. The beat frequency will be

The frequecies of tuning forks A and B are respectively 5% more and 3% less than the frequency of tuning fork C. When A and B are sounded together 8 beats/second are heard. Then the frequency of the tuning fork B will be

Two tuning forks of frequencies 256 Hz and 258 Hz are sounded together. The time interval, between two consecutive maxima heard by an observer is

Two tuning fork of frequency 100 Hz and 105 Hz are sounded together. The time interval between the successive waxing of sound will be

Two tuning forks A and B produce notes of frequencies 250 Hz and 260 Hz respectively. When an unknown note is sounded with A it produces x beats/sec. But when the same note is sounded with B, the number of beats produced per second becomes 4x. The unknown frequency could be