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A source of wave produces 40 crests and ...

A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave ?

Text Solution

Verified by Experts

40 crests and 40 troughs mean 40 waves.
Frequency of wave = number of waves/time
Or, Frequency = 40/0.4
`therefore` Frequency = 100 Hz
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