An air column in a pipe, which is closed at one end, will be in resonance with a vibrating tuning fork of frequency 256 Hz, if the length of the column in centimeter is (velocity of sound inair 340 m/s)

An air column in a pipe, which is closed at one end, will be in resona

1.	An air column in a pipe, which is closed at one end, will be in resonance with a vibrating tuning fork of frequency 256 Hz, if the length of the column in centimeter is (velocity of sound inair 340 m/s)
Answer» `21.25` `125` `62.50` `33.2` Solution :`F = (v)/(4L) IMPLIES L = (v)/(4f) = (34000)/(4 xx 256) = 33.2 ` CM