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Acids, Bases And Salts

Question
CBSEENSC10012841
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A light ray is incident on a plane mirror making an angle of 45° with respect to the surface of the mirror. What is the value of the angle between incident ray and reflected ray?

Solution
Given, 
Angle with which the light ray is incident on a plane mirror with respect to the surface of the mirror = 45o

So, 
Angle between the reflected and the incident ray of light = 90o

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