A travelling microscope is focused on a mark on a piece of paper and the scale reading is 
. A rectangular block of glass is placed on the paper and the microscope is raised and focused the mark on the paper, then microscope reading is B. A layer of lycopodium power is sprinted on the block of glass. The reading now is 
. The refractive index of the material of the block is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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