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Choose the correct option(s). Assume all...

Choose the correct option(s). Assume all lenses in air.

A

if a lens always forms real image for a virtual object, it is concave.

B

if a lens forms magnified image for a virtual object the lens is concave

C

if a lens forms magnified image for a virtual object, the lens is convex.

D

if a lens always forms real image for a virtual object it is convex.

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The correct Answer is:
A, C
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