Question

An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distances are measured by:

A

a screw gauge provided on the microscope

B

a standard laboratory scale

C

a vernier scale provided on the microscope

D

a meter scale provided on the microscope

Easy

Solution

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Correct option is C)

The travelling microscope moves horizontally on a main scale provided with the vernier scale provided with the microscope that's why, In a travelling microscope to find the refractive index of glass we measure distance by a vernier scale provided on the microscope.

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