Find the power of concave lens of focal length 2m
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Answer:
Focal length is given as 2m
power of lens P = 1/f
P = 1/-2
(v should always be taken in negative)
P = -0.5D
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Explanation:
Focal length of concave lens, f = 2 m
Power of lens, P= 1/f = 1/(-2)= -0.5D
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