A monochromatic beam of light passes from a denser medium into a rarer medium. As a result [CPMT 1972] Options: A . &nbspIts velocity increases B . &nbspIts velocity decreases C . &nbspIts frequency decreases D . &nbspIts wavelength decreases

A monochromatic beam of light passes from a denser medium into a rarer medium. A

Question

A monochromatic beam of light passes from a denser medium into a rarer medium. As a result [CPMT 1972]

Options:

A . Its velocity increases

B . Its velocity decreases

C . Its frequency decreases

D . Its wavelength decreases

Answer: Option A
:
A

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