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A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index \(\frac{5}{3}\) is poure…

Q1

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 microscope has to be raised by \(30 \mathrm{~cm}\) to focus the object again. The height of the liquid in the bucket is:

a

\(75 \mathrm{~cm}\)

b

\(50 \mathrm{~cm}\)

c

\(18 \mathrm{~cm}\)

d

\(12 \mathrm{~cm}\)

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