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A beam of parallel rays is brought to a ...

A beam of parallel rays is brought to a focus by a plano-convex lens. A thin concave lens of the same focal length is joined to the first lens. The effect of this is

A

focal point shifts away from the lens by a small distance.

B

focus remains undisturbed.

C

focus shifts to infinity

D

focal point shifts towards the lens by a small distance.

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TARGET PUBLICATION-OPTICS-EXERCISE
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