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

Question:

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

Options :

(a) 25D
(b) -25D
(c) 1D
(d) none of these

Answer :

(d) none of these

Answer Steps :

step 1

step 2

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