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Consider a Vernier callipers in which ea...

Consider a Vernier callipers in which each 1 cm on the main scale is divided into 8 equal divisions and a screw gauge with 100 divisions on its circular scale .In the Vernier callipers ,5 divisions of the Vernier scale coincide with 4 divisions on the main scale and in the screw gauge ,one complete rotation of the circular scale moves it by two divisions on the linear scale .Then

A

If the pitch of the screw gauge is twice he least count of the Vernier calipers ,the least count of the screw gauge is 0.01 mm.

B

If the pitch of the screw gauge is twice he least count of the Vernier calipers ,the least count of the screw gauge is 0.005 mm.

C

If the pitch of the screw gauge is twice he least count of the Vernier calipers ,the least count of the screw gauge is 0.01 mm.

D

If the pitch of the screw gauge is twice he least count of the Vernier calipers ,the least count of the screw gauge is 0.005 mm.

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B, C
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