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Introduction to Waves

Frequency of ...

Question

Frequency of a wave is equal to the inverse of its _________.

A

wavelength

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B

time period

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C

amplitude

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D

loudness

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Solution

The correct option is B time period
Frequency of a wave is the number of times it oscillates in a second.

Time period of a wave is the time taken for one oscillation.

Hence, by definition, frequency is equal to the inverse of its time period.
$f = \frac{1}{T}$

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