A lens has a power of + 4.0 it is

asked Dec 23, 2021 in Science by kabita (3.8k points)

A lens has a power of + 4.0 it is

(a) A convex lens of focal length 4 m

(b) A concave lens focal length 4 m

(c) A convex lens of focal length 0.25 m

(d) A concave lens of focal length 0.25m

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answered Dec 23, 2021 by abhinav (17.6k points)

Correct Answer is (c) A convex lens of focal length 0.25 m

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A lens has a power of + 4.0 it is

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