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An air column in a pipe which is closed at one end, will be in resonance with the vibrating body of frequency 83 Hz. Then the length of the air column is ……… 

(a) 1.5 m 

(b) 0.5 m 

(c) 1.0 m 

(d) 2.0 m

1 Answer

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Best answer

(c) 1.0 m

\(f = \frac{v}{λ}\)

83 = \(\frac{v}{λ}\)

For air column in a pipe closed at one end,

Velocity of sound in air y = 343 ms-1

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