A concave mirror of focal length 10 cm is placed at a distance of 25 cm from a wall. .How far f rom the wall an object be placed sos that its iamage formed by the mirror falls on the wall ?
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Obeject should be placed between the pole and focus.
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The object should be placed at 16.67 cm in front of the mirror
Therefore U=16.67cm
Therefore U=16.67cm
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