A tuning fork of frequency 300 Hz resonates with an air-column closed at one end at 27^@C.How many beats will be heard in the vibrations of the fork and the air-column at 0^@C.End-correction is negligible.

A tuning fork of frequency 300 Hz resonates with an air-column closed

1.	A tuning fork of frequency 300 Hz resonates with an air-column closed at one end at 27^@C.How many beats will be heard in the vibrations of the fork and the air-column at 0^@C.End-correction is negligible.
Answer» ANSWER :`14 s^(-1)`