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Geometrical Optics question

2022 · 26 Jun · Shift 2 · Q70
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Geometrical Optics question

2022 · 26 Jun · Shift 2 · Q70

JEE MainPhysicsGeometrical OpticsNumerical+4 / −1
A small bulb is placed at the bottom of a tank containing water to a depth of 7\sqrt77​ m. The refractive index of water is 43{4 \over 3}34​. The area of the surface of water through which light from the bulb can emerge out is x π\piπ m2. The value of x is ‾\underline{\hspace{2cm}}​.
Numerical answer
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