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प्रश्न
How will you light up a dark room using reflected light?
दीर्घउत्तर
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उत्तर
A dark room can be lighted up by using a plane mirror to reflect sunlight or light from another source into the room. The mirror should be placed at a suitable angle so that the light falling on it is reflected towards the dark part of the room.
Thus, by changing the position and angle of the mirror, reflected light can be directed into a dark room.
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