Find the power of a concave lens of focal length 2 m

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asked Jan 19, 2018 in Physics by Kundan kumar (49,132 points) 34 437 1374

Find the power of a concave lens of focal length 2 m.

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answered Jan 19, 2018 by Vikash Kumar (144,729 points) 8 11 26
edited Jan 25, 2018 by faiz
 
Best answer

Given  f = -2m
Power, P=1/f = 1/-2 = -0.5 dioptre.
That
is power of concave lens is - 0.5 dioptre.

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