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When a biconvex lens of glass having ref...

When a biconvex lens of glass having refractive index `1.47` is dipped in a liquid, it acts as a plane sheet of glass. This implies that the liquid must have refractive index.

A

equal to that of glass

B

less than one

C

greater than that of glass

D

less then that of glass

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The correct Answer is:
A
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