when a light ray strike with 45degree angle of reflection
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Explanation:
then angle of reflection will also be of 45°..
actually your question is not understandable.
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Ray AB strikes the mirror PQ at B and gets reflected along BC according to the laws of reflection. The ray BC incident on mirror QR makes an angle 30
∘
with the mirror. So, the angle of incidence on this mirror is 90
∘
−30
∘
=60
∘
. Hence, the angle of reflection is also 60
∘
Follow the given picture
∘
with the mirror. So, the angle of incidence on this mirror is 90
∘
−30
∘
=60
∘
. Hence, the angle of reflection is also 60
∘
Follow the given picture
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