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Intro to Standing Waves

When a statio...

Question

When a stationary wave is formed, its frequency is

A

Same as that of the individual waves

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B

Twice as that of the individual waves

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C

Half as that of the individual waves

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D

Thrice as that of the individual waves

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Solution

The correct option is A Same as that of the individual waves
A stationary wave is formed due to interference of two identical waves moving in opposite direction.
Hence, parameters like frequency, angular frequency, wavenumber are same for both constituent waves.
Therefore, after solving the resultant equation of superposition, frequency of standing wave comes equal to frequency of constituent waves.

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Intro to Standing Waves

Standard XII Physics

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