Question

9.If a beam of light is incident at an angle of 40 degree with the mirror, w
hat will be the angle between the incident and the reflected beam​

Answer 1

the angle between the incident and the reflected beam in 100°

Explanation:

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Answer 2

Answer:

the angle between incident ray and reflected ray will be 100°

Explanation:

as beam of light is making 40°with the mirror the angle of incidence will be(90-40)°=50°

Angle of incidence=angle of reflection

50°=angle of reflection

angle between incident and the reflected ray= 50°+50°

=100°