Related Practice Questions :

In a vernier calliper N divisions of vernier scale coincides with N-1 divisions of main scale (in which length of one division is 1 mm). The least count of the instrument should be

(A)  N mm

(B)  N-1 mm

(C)  110N  cm

(D)  1N-1 mm

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In certain vernier callipers 25 divisions on vernier scale have same length as 24 divisions on main scale. One division on main scale is 1 mm long. The least count of the instrument is

(A)  0.04 mm

(B)  0.01 mm

(C)  0.02 mm

(D)  0.08 mm

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One centimeter on the main scale of Vernier calliper is divided into ten equal parts. If 10 divisions of Vernier scale coincide with 8 small divisions of the main scale, the least count of the callipers is:

(A)  0.01 cm

(B)  0.02 cm

(C)  0.05 cm

(D)  0.07 cm

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If a screw gauge has a pitch of 1.5 mm and 300 divisions on circular scale, which of the following reading can be made from this screw gauge?

(A)  1.05 mm

(B)  3.01 cm

(C)  0.030000 m

(D)  2.1185 dm

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A Screw Guage gives the following readings when used to measure the diameter of a wire.
Main scale reading = 0mm
Circular scale reading = 52 divisions
Given that: 1 mm on main scale corresponds to 100 divisions of the circular scale.
The diameter of wire from the above data is:

(A)  0.026 cm

(B)  0.005 cm

(C)  0.52 cm

(D)  0.052 cm

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