Question:
A point source of light S is placed at a distance 10 cm
Last updated: 6/14/2023
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A point source of light S is placed at a distance 10 cm infront of the centre of a mirror of width 20 cm suspended vertica on a wall A man walks with a speed 10 cm s infront of the mirror along a line parallel to the mirror at a distance 20 from it as shown in figure Find the maximum time during which he can see the image of the source S in the mirror f S A B C D 65 3 s 25 15 20cm 10cm 20cm