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CBSE Class 10 Answered

A ray of light is incident on a plane  mirror such that it makes angle 30 degrees with the mirror. Find the angle of reflection. 
Asked by ananyachandra90 | 10 Jun, 2019, 12:09: PM
answered-by-expert Expert Answer
The light ray is making 30 to the power of 0 with the mirror 
Therefore it makes angle i equals 90 to the power of 0 minus 30 to the power of 0 equals 60 to the power of 0 with the normal
and according to the law of reflection
angle i equals angle r
Henceangle r equals 60 to the power of 0
Answered by Utkarsh Lokhande | 10 Jun, 2019, 01:02: PM

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