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A ray gets successively reflected from two mirrors inclined at an angle of 40º. If the angle of incidence on the first mirrors is 60º, then the net deviation of this ray is - a)40º b)280º c)80º d)160º
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A ray gets successively reflected from two mirrors inclined at an angle of 40º. If the angle of incidence on the first mirrors is 60º, then the net deviation of this ray is -

a)40º
b)280º
c)80º
d)160º

User Marquistador
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1 Answer

9 votes
The answer of the net deviation rah is 80 degrees 40+40=80.
User PAcan
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