A small object is placed 10 cm infront of a plane mirror. If you stand behind the object 30 cm from the mirror and look at its image, the distance focused for your eye will be
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a
60 cm
b
20 cm
c
40 cm
d
80 cm
answer is C.
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Detailed Solution
See following ray diagramThe distance focussed for eye = 30+10 = 40 cm