What are beats? What is beat frequency?

You are provided with three similar,but slightly different tuning forks.When A and B are both struck,a beat frequeny of f_(AB) is heard.If A and C are both struck,a beat frequency of f_(AC) is heard.It was noticed that f_(AB) < f_(AC) .If B and C are simultaneously struck,what will be the observed beat frequency?

There are 26 tuning forks arranged in the decreasing order of their frequencies. Each tuning fork gives 3 beats with the next. The first one is octave of the last. What is the frequency of 18th tuning fork ?

What is the range of the beat frequency heard by the human ?

The heart of a man beats 75 times a minute. What is its (a) frequency ?

On an average a human heart is found to beat 75 times in a minute. Calculate its beat frequency and period.

A tuning fork produces 4 beats per second when sounded togetehr with a fork of frequency 364 Hz. When the first fork is loaded with a little wax ten the number of beats becomes two per second. What is the frequency of the first fork?

Two waves of frequencies 6 Hz and 10 hz are superposed. The beat frequency produced is

What are .beats. ? Explain their production. State the necessary conditions for the production of beats.

A tuning fork of frequency 256 produces 4 beats per second with another tuning fork B. When the prongs of B are loaded with 1 gm wt, the number of beats is 1 per second and when loaded with 2 gm wt, the number of beats becomes 2 per second. What is the frequency of B?

Two sitar strings A and B playing the note 'Ga' are slightly out of tune and produce beats of frequency 6 Hz. The tension in the string A is slightly reduced and the beat frequency is found to reduce to 3 Hz. If the original frequency of A is 324 Hz, what is the frequency of B?