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Amplitude

When light is...

Question

When light is refracted, which of the following does not change?

A

Wavelength

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B

Frequency

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C

Velocity

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D

Amplitude

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Solution

The correct option is A Frequency
While changing medium, only wavelength, speed, amplitude changes because they change with change in length.
But, frequency remains constant as frequency is number of cycles per second and time does not change.

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