As shown in figure, pole PQ of height 3h is standing on the shining surface RT at a distance 9h from the screen RS. The sunrays are incident from left of the figure making an angle θ with ground. There will be in general, two shadows of PQ, one directly on ground, second indirectly on screen –
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Ans. a = 6h, b= tan -1 (1/3
Sol. 6h tan –1 (1/3
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