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A lens has a power of +0.5 D. It is...

A lens has a power of +0.5 D. It is

A

a concave lens of focal length 5 m

B

a convex lens of focal length 5 m

C

a convex lens of focal length 2 m

D

a concave lens of focal length 2 m

Text Solution

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The correct Answer is:
C
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