Correct answer is (A)
To find the refractive index of glass using a travelling microscope, a vernier scale is provided on the microscope
26.(AIEEE 2008 )
An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distances are measured by
(A) a vernier scale provided on the microscope
(B) a standard laboratory scale
(C) a meter scale provided on the microscope
(D) a screw gauge provided on the microscope