A thin glass(refractive index 1.5) lens has optical power of -5D in air.

A Thin Glassrefractive Index 15 Lens Has Optical Power Of Physics QuestionA Thin Glassrefractive Index 15 Lens Has Optical Power Of Physics Question

A thin glass(refractive index 1.5) lens has optical power of -5D in air. Its optical power in a liquid medium with refractive index 1.6 will be

Options

(a) 1 D
(b) (-1 D)
(c) 25 D
(d) (-25 D)

Correct Answer:

1 D

Explanation:

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