An experment is performed to find the refractive index of glass using a travelling mircroscope. In this experiment distances are measured byA. a screw gauge provide on the microscopeB. a vernier scale provided on the microscopeC. a standard laboratory scaleD. a metre scale provided on the microscope

An experment is performed to find the refractive index of glass using

1.	An experment is performed to find the refractive index of glass using a travelling mircroscope. In this experiment distances are measured byA. a screw gauge provide on the microscopeB. a vernier scale provided on the microscopeC. a standard laboratory scaleD. a metre scale provided on the microscope
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