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Sir when reflected ray rotated by 4teeta in anticlockwise direction then mirror is rotated by 2 testa but how I find direction
Asked by meenapreety180 | 30 Apr, 2019, 07:27: PM
answered-by-expert Expert Answer
Figure shows the movement direction of reflected ray when mirror rotates.
As seen from figure when mirror rotates an angle θ in anti-clockwise direction
reflected ray rotaes by an angle 2θ in anticlockwise direction

( you draw the figure for roatation of mirror for a fixed incident ray and apply law of reflection.
i.e., angle of incidence and angle of reflection are same )
Answered by Thiyagarajan K | 01 May, 2019, 12:22: PM

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