An experiment is performed to find the refractive index of glass using a travelling microscope.
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 vernier scale provided on the microscope
(c) a standard laboratory scale
(d) a meter scale provided on the microscope.
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(b) : A travelling microscope moves horizontally on a main scale provided with a vernier scale, provided with the microscope.
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Correct Option (a) a vernier scale provided on the microscope
Explanation:
If an experiment is performed to find the refractive index of glass using a travelling microscope distances are measured by a vernier scale which is provided on the microscope.
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