A ray of incident on a plane mirror and the angle of incident is 25⁰.what is the angle of reflection . A)0⁰ B)50⁰ C)90⁰ D) 25⁰
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Since we know it from laws of reflection that angle made by incident ray to the normal is equal to angle made by reflected ray to normal
i.e. i=r
##i=25^{0}$$(from question)
So r=25
(d)
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