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Q.

Two tuning forks when sounded together produce 5 beats in 2 seconds. The time interval between two successive maximum intensities of sound is

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a

0.3 s

b

0.4 s

c

0.2 s

d

0.5 s

answer is C.

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Detailed Solution

detailed_solution_thumbnail

We know that beat is produced between 2 successive maximum intensities.

Time interval between successive Maximums is given by 
t=1N=12.5=0.4 sec

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