How does the frequency of a beam of ultra violet light change when it goes from air into glass?

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Same

Not Same

directly proportional

None of these

answer is A.

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Detailed Solution

The frequency of a beam of ultraviolet light changes when it goes from air into glass is the Same.
The frequency of an electromagnetic wave is a property of the wave that is independent of any other quantity. When light passes from one medium to another, its speed changes, and thus the wavelength changes, causing the ratio to change Speedwavelength=frequency remains the same.
As a result, the frequency of UV light does not change when it transitions from air to glass.

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