Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A travelling microscope is used to determine the refractive index of a glass slab. If 40 divisions are there in 
on main scale and 50 Vernier scale divisions are equal to 49 main scale divisions, then least count of the travelling microscope is 
.
Text Solution
Verified by ExpertsThe correct answer is:
5
(5) 
Least count 
Least count 
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