Answer the following questions
Que1. How does the frequency of light changes when light passes from air to glass
Que2 what is the focal length of a plane mirror
Answers
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3
1.Frequency always remains unchanged, because it would be a big problem for the principle of causality if it did change.
2.The focal length, becomes infinite
2.The focal length, becomes infinite
jithus:
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Answered by
3
1. The frequency of light doesn't change when light travels from air to glass.
As, the frequency of light is independent of the medium, it remains the same when light travels from one medium to the other.
2. The focal length of a plane mirror is infinity.
As, the frequency of light is independent of the medium, it remains the same when light travels from one medium to the other.
2. The focal length of a plane mirror is infinity.
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