Question

If the angle of incidence of falling on a plane mirror is 45' , what will be the angle of reflection *

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Answer 1

Answer:

the angle of incidence= angle of reflection. According to the question, given I + r= 90 degree I = r hence, I + I =90 degree 2i = 90 degree. I= 45 degree. Therefore, the angle of incidence is 45 degree.

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Answer 2

According to the rule of reflection :

☆Angle of incidence is always equal to angle of reflection☆

Therefore, if the angle of incidence is 45° so the angle of reflection will be also 45°

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