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+2 votes
8.9k views
in Science by (150k points)
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At what distance from a concave lens of focal length 20 cm a 6 cm tall object be placed so as to obtain its image at 15 cm from the lens? Also calculate the size of the image formed.

1 Answer

+1 vote
by (87.2k points)
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Best answer

Object should be placed at 60 cm from the lens.

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