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According to the law of reflection angle I = angle r
so angle I = 50 degree because adding it with 40 it makes right angle with normal ray
Angle r = 50 degree because angle I = angle r
pls mark the answer as brainliest if helpful
so angle I = 50 degree because adding it with 40 it makes right angle with normal ray
Angle r = 50 degree because angle I = angle r
pls mark the answer as brainliest if helpful
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