Question

An air column, closed at one end and open
at the other end, resonates with a tuning
fork of frequency f'when its length is '45
cm, 99 cm and at two other lengths in
between these values. The wavelength of
sound in the air column is
(1) 180 cm
(2) 108 cm
(3) 54 cm
(4) 36 cm​

Answer 1

Answer:

(4) 36 cm is the correct answer