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Two full turns of the circular scale of ...

Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of division on the circular scale is 50. Further, it is found that the screw gauge has a zero error of `-0.03` mm while measuring the diameter of a thin wire, a student notes the main scale reading of 3 mm and the number of circular scale division in line with the main scale as 35. The diameter of the wire is

A

3.32mm

B

3.73mm

C

3.67mm

D

3.38mm

Text Solution

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The correct Answer is:
D
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