Questions
For the situations shown in figure, determine the angle by which the mirror should be rotated, so that the light ray will retrace its path after refraction through the prism and reflection from the mirror?
detailed solution
Correct option is D
For light to retrace the path, the light ray falling on the mirror should be along the normal.Deviation produced by prism δ1=(1.5−1)4=2∘CWSo, mirror has to be rotated by 2° in CW direction.Talk to our academic expert!
Similar Questions
A thin prism P1 with angle 4° and made from glass ( = 1.54) is combined with another prism P2 made of another glass of = 1.72 to produce dispersion without deviation. The angle of prism P2 is
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