Name the instrument which can measure accurately the diameter of a needle.

A screw gauge

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A vernier caliper

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A meter scale

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All of the above

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Solution

The correct option is A A screw gauge
Screw gauge is best instrument to measure the diameter of cylindrical or spherical object.

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Similar questions

Name the instrument which can measure accurately the following :

(a) the diameter of a needle,

(b) the thickness of a paper,

(d) the diameter of a pencil.

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