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 - VgyanHub

Question:

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

Options :

(a) become infinite
(b) become small, but no zero
(c) remain unchanged
(d) become zero

Answer :

(a) become infinite

Answer Steps :

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