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Devices Made Using Plane Mirrors

A ray of ligh...

Question

A ray of light is incident on the plane mirror at 40? angle with respect to normal. What is the angle between incident Ray and reflected ray?

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Solution

Dear student,

Angle of incidence is equal to angle of reflection .
i=r
So angle of reflection from normal is also 40°.
So the angle between the incident ray and the reflected ray is 80°
Regards

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