A small bulb is placed at the bottom of a tank containing water to a depth of 7 m. The refractive index of water is 4/3. The area of the surface of water through which light from the bulb can emerge out is x π m². The value of x is _ _ _ _ _.

Optics: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jun, Evening shift · Q63

JEE Main 202226 Jun, Evening shiftPhysicsMediumOptics190× since 2002

A small bulb is placed at the bottom of a tank containing water to a depth of

\sqrt7

m. The refractive index of water is

{4 \over 3}

. The area of the surface of water through which light from the bulb can emerge out is x

\pi

m². The value of x is __________.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Optics Question with Answer (26 Jun Evening shift, Q63) | JEE Arc