Answers

2016-03-01T13:24:33+05:30
Nature of lens A will be positive and its focal length will be 0.1m or 10cm

nature of lensB will be negative  and its focal length will be -0.1 or -10cm
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2016-03-01T13:32:51+05:30
Nature of A lens will be = positive
nature of B lens will be = negative
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