Physics, 03.02.2020 21:49 babyduck0664
Aplane mirror of circular shape with radius r=20cm is fixed to the ceiling. a bulb is to be placed on the axis of the mirror. a circular area of r=1m on the floor is to be illuminated after reflection of light from mirror. the height of the room is 3m. what is maximum distance from the centre of the mirror and the bulb so that the required area is illuminated?
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Aplane mirror of circular shape with radius r=20cm is fixed to the ceiling. a bulb is to be placed o...
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