Q.

If the number of divisions on the circular scale is 100 and number of full rotations given to screw is 8 and distance moved by the screw is 4mm, then what will be least count of the screw gauge?

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a

0.5 mm

b

0.005 mm

c

0.05 mm

d

0.0005 mm

answer is C.

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Detailed Solution

Pitch =48mm=0.5mm

LC=0.5100mm=0.005mm

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