A source of unknown frequency gives 4 beats//s, when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of frequency 513 The unknown frequency is

A source of unknown frequency gives 4 beats//s , when sounded with a source of known frequency 250Hz. The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of frequency 513Hz. The unknown frequency is

A source of unknown frequency gives 4 beats//s, when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of frequency 513 Hz .The unknown frequency is

A source of frequency X' gives 5 beats/s when sounded with a source of frequency 200 Hz. The second harmonic of source gives 10 beats/s when sounded with a source of frequency 420 Hz. The value of 'x' is

A source of sound gives five beats per second when sounded with another source of frequency 100s^-1 . The second harmonic of the source together with a source of frequency 205s^-1 gives five beats per second. What is the ferquency of the source?

A source of sound gives 5 beats when sounded with another source of frequency 100 Hz. The second harmonic of the source together with a source of frequency 200 Hz gives 10 beats s^(-1) . What is the frequency of the source?

A fork of unknown frequency gives 3 beats/sec. when sounded with a fork of frequency 256 Hz. On loading the fork of unknown frequency with wax, the number of beats produced per second remain 3. Calculate the unknown frequency of the fork.

A source frequency f gives 5 beats when sounded with a frequency 200Hz. The second harmonic of same source gives 10 beats when sounded with a source of frequency 420Hz. The value of f is