A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens

A Thin Convex Lens Of Refractive Index 15 Has 20 Physics QuestionA Thin Convex Lens Of Refractive Index 15 Has 20 Physics Question

A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens is completely immersed in a liquid of refractive index 1.6, then its focal length will be

Options

(a) -160 cm
(b) -100 cm
(c) (+10 cm)
(d) (+ 100 cm)

Correct Answer:

-160 cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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