Question
A screw gauge gives the following readings when used to measure the diameter of a wire
Main scale reading : 0 mm
Circular scale reading : 52 divisions
Given that 1 mm on main scale corresponds to 100 divisions on the circular scale.
The diameter of the wire from the above data is :
Options :
0.52 cm
0.026 cm
0.26 cm
0.052 cm
Answer :
0.052 cm
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