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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2003
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Q)

A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will


( A ) Remain unchanged
( B ) Become small, but non-zero
( C ) Become infinite
( D ) Become zero

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