Question

An incident ray makes an angle of 75 °with the surface of a plane mirror. What will be the angle of reflection?​

Answer 1

Answer:

An incident ray makes an angle of 75° with the surface of a plane mirror. What will be the angle of reflection? Solution: The angle made by the normal will be 90-75= 15.

Explanation:

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Answer 2

Question :

An incident ray makes an angle of 75 °with the surface of a plane mirror. What will be the angle of reflection?

Concept :

● The angle of incidence is always measured from normal to the plane.

● Angle of incidence = Angle of reflection

Solution :

Incident ray makes an angle of 75° with the surface of plane mirror.

$\tt \implies$ Angle of incidence = 90° - 75

$\tt \implies$ Angle of incidence = 15°

$\tt \implies$ Angle of incidence = Angle of reflection

$\tt \implies$ Angle of reflection = 15°

Angle of reflection = 15°.