Observe the adjacent figure.AB and BC are two plane mirrors arranged at 120°.a ray incidents at and angle 55°on ABFind the value of 'x'
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Answer: the angle made by the light ray with mirror is 40°. ... Usually we talk about angles of incidence, 50 degrees, and reflection, also 50 degrees. ... I suppose if you look at it from that side you could say the answer is 100 ... For a given incident ray of light, the plane mirror is rotated through 2 degrees, ...
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