Assertion A: If in five complete rotations of the circular scale, the distance travelled on main scale of the screw gauge is 5mm and there are 50 total divisions on circular scale, then least count is 0.001cm.
Reason R:
choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsThe correct answer is:
A
In 5 revolution, distance travel, 5mm In 1 revolution, it will travel 1mm.
So least count 
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