A light moves from denser to rarer medium, which of the following is correct? 1. Energy increases 2. Frequency increases 3. Velocity increases 4. None of the above

Physics

A light moves from denser to rarer medium, which of the following is correct?
Energy increases
Frequency increases
Velocity increases
None of the above

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Velocity increases

Reason — When a ray of light travels from a denser medium to a rarer medium, the speed of light increases in the rarer medium and it bends away from the normal.

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