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Question

During refraction of light, which of the following quantities change?

A
Frequency
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B
Phase
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C
Speed
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D
Wavelength
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Solution

The correct options are
C Speed
D Wavelength
When a light travels through its phase and frequency remains same and velocity and wavelength changes.
velocity=frequency×wavelength
So when light enter some medium velocity changes with wavelength while phase and frequency remains same.

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