Question

If the angle between incident ray and reflection ray is 70° , then what is the angel of reflection?​

Answer 1

Answer:

35 degrees

Explanation:

According to the law of reflection

Angle of incidence=Angle of refraction

In the question the angle between the incident ray and refracted ray is 70 degrees. Angle of incidence is the angle between the incident ray and normal. Similarly refracted ray is the angle between the refracted ray and normal. As said they are equal. Therefore,

Angle of incident = 70/2 = 35 degrees.

Angle of refraction= 35 degrees.

Hope it helps.

Answer 2

Answer:

35°

Explanation:

∠i + ∠r=70°

∠r=70/2(angle of incidence is equal to angle of reflection)

   =35°

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