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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.

Text Solution

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The correct Answer is:
B, C
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Knowledge Check

  • The smallest main scale division of a vernier caliper = 1 mm. Here 20 vernier divisions = 16 main scale divisions. The vernier constant is

    A
    0.02 mm
    B
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    C
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    D
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    A
    1.2 mm
    B
    1.25 mm
    C
    2.20 mm
    D
    2.25 mm

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