A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index … is poured inside the bucket, then the microscope has to be raised by … to focus the object again. The height of the liquid in the bucket is :

Geometrical Optics

JEE Main 2023 · 31 Jan, Evening shift · Q7118

PhysicsEasy105×since 2002Q7118

A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index

\frac{5}{3}

is poured inside the bucket, then the microscope has to be raised by

30 \mathrm{~cm}

to focus the object again. The height of the liquid in the bucket is :

JEE Main 2023 · 31 Jan, Evening shift · Q7118

PhysicsEasy105×since 2002Q7118

A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index

\frac{5}{3}

is poured inside the bucket, then the microscope has to be raised by

30 \mathrm{~cm}

to focus the object again. The height of the liquid in the bucket is :