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A set of tuning forks is arranged in asc...

A set of tuning forks is arranged in ascending order of frequency each tuning fork gives 5 beats s with the preceding one. If frequency of the firs tuning fork is 100 Hz and the last fork is 150 Hz then the number of tuning forks arranged will br

A

9

B

10

C

11

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
Number of tuning forks arranged in series
`= ("difference in frequency")/("beat frequency") + 1`
`= (150 - 100)/(5) + 1 = (50)/(5) + 1 = 10 + 1 = 11`
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