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What is the angle of incidence …

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What is the angle of incidence of a ray if the reflected ray is at an angle of 90 degree to the incident ray ?

Posted by Aakanksha Dubey 5 years, 11 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 5 years, 11 months ago

The angle of incidence will be 45 degree.
We know that angle of incidence is always equal to the angle of reflection.
As the angle of reflection + angle of incidence = 90°.
Thus
Angle of incidence = angle of reflection = 45°

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