A plane mirror is inclined at 30°to the floor. An incident ray parallel to the floor strikes the mirror and a reflected ray is formed.What is the angel of reflection?
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A plane mirror is inclined at 30°to the floor. An incident ray parallel to the floor strikes the mirror and a reflected ray is formed.What is the angel of reflection?
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From the figure, angle of incidence i=90
0
−40
0
i=50
0
Hence from laws of reflection r=50
Answer:
reflected angle is 60
Explanation:
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