Waves

JEE Main level, single correct, medium

110 of 142

Question 110 of 142

This question has Statement 1and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement 1: In the resonance tube experiment, if the tuning fork is replaced by another identical turning fork but with its arm having been filled, the length of the air column should be increased to obtain resonance again.
Statement 2: On filling the arms, the frequency of a tuning fork increases.

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Answer: (C) Statement 1 is false, Statement 2 is true.

On loading frequency of a tuning fork decreases and on filing frequency increases.
If a tuning fork filled length xx, then new frequency produced by the tuning fork n′=n+xn^{\prime}=n+x

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