> Size of image of an object having a focal
length of 20cm is observed to be
reduced to 1upon 3 of its size and what
distance the object has been placed
of the mirror What is the nature of the image.
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Size of image of an object by a mirror having focal length of ... At what distance tthe object has been placed from the ... CASE 1:- m=-1/3(in case of concave mirror
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