Question

A tuning fork is used to produce resonance ina glass tube. The length of the air column inthis tube can be adjusted by a variable piston.At room temperature of 27ºC two successiveresonances are produced at 20 cm and 73 cmof column length. If the frequency of thetuning fork is 320 Hz, the velocity of sound inair at 27ºC is
(1) 350 m/s
(2) 339 m/s
(3) 330 m/s
(4) 300 m/s

Answer 1

Answer:

3

Explanation:

3 is the answer go to page 68 of textbook of your standard

Answer 2

Answer:

your answer is option 3

Explanation:

pls pls pls !!!!!!! mark it as a brainlist answer