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Question

For a wave propagating in a medium, identify the property that is independent of the others

A

Frequency

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B

Velocity

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C

Wavelength

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D

All the above options

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Solution

The correct option is A Frequency Explanation for the correct option:Option A:When a wave propagates through a medium, the wavelength and the velocity reduces by a factor $\mu$(refractive index). Whereas, the frequency remains unaffected.As frequency does not change when a wave propagates through a medium, it is independent of other factors.Hence, this is the correct option.Explanation for the incorrect options:Option B:As velocity is reduced by a factor of $\mu$when a wave propagates through a medium, it is dependent on $\mu$.Hence, this is not the correct option.Option C:As the wavelength is reduced by a factor of $\mu$when a wave propagates through a medium, it is dependent on $\mu$.Hence, this is not the correct option.Option D:As the frequency is independent of other factors, the given options cannot all be dependent on each other.Hence, this is not the correct option.Hence, option A is the correct option.

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