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JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Application +4 | -1

A thin glass lens

(\mu=1.5)

of focal length

15 \mathrm{~cm}

is kept inside water

\left(\mu=\frac{4}{3}\right)

. The new focal length of lens in water is

View answer and explanation

Correct option: D

60 \mathrm{~cm}

Option D (

60 \mathrm{~cm}

) is correct because the new focal length is calculated using the lens maker's formula, considering the refractive index of water.

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