In an experiment for the determination of the speed of sound in air using the resonance method, the length of the air column that resonates in the fundamental mode with a tuning fork is 0 . 1 m . When this length is changed to 0 . 35 m , the same tuning fork resonates with the first overtone. The end correction is

Question

In an experiment for the determination of the speed of sound in air using the resonance method, the length of the air column that resonates in the fundamental mode with a tuning fork is 0 . 1 m . When this length is changed to 0 . 35 m , the same tuning fork resonates with the first overtone. The end correction is, 0 . 012 m, 0 . 025 m, 0 . 05 m, 0 . 024 m

MARKS App · Accepted Answer

λ 4 = e + l 1 3 λ 4 = e + l 2 e + l 2 = 3 e + 3 l 1 e ⁡ = l ⁡ 2 - 3 l ⁡ 1 2 = 0.35 - 0.3 2 = 0.05 2 = 0.025 m

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