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The air in a pipe closed at one end is i...

The air in a pipe closed at one end is in resonance with a vibrating tuning fork of frequency 170 Hz. If the velocity of sound in air is 340 m/s, the length of the vibrating air column is

A

100 cm

B

50 cm

C

300 cm

D

25 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`lambda = v/n = 340/170 = 2 `m
for a closed pipe ` l = lambda/4 = 2/4 = 50 ` cm
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