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Question

Two tuning forks have frequencies 450 Hz and 454 Hz respectively. On sounding these forks together, the time interval between successive maximum intensities will be

Easy

A

1/4 sec
B

1/2 sec
C

1 sec
D

2 sec

Solution

The time interval between successive maximum intensities will be $\frac{1}{n_{1} ~ n_{2}} = \frac{1}{454 - 450} = \frac{1}{4} \sec .$

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