Label the part marked in black, in the following vernier callipers:

Inner jaws

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Outer jaws

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Thimbles

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Tightening screw

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Solution

The correct option is A Inner jaws
A vernier callipers is a physical instrument used to measure small length, more precisely than a metre scale. The part labelled in the given figure, are the internal jaws or the inner jaws of the callipers. They are used to measure the inner diameter of hollow cylinders, or beakers.

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Similar questions

Q. Label the different parts of the vernier callipers.

Draw a neat labelled diagram of a vernier callipers. Name its main parts and state their functions.

In a vernier callipers, there are 10 divisions on the vernier scale and 1 cm on the main scale is divided in 10 parts. While measuring a length, the zero of the vernier lies just ahead of 1.8 cm mark and 4th division of vernier coincides with a main scale division.

(a) Find the length.

(b) If zero error of vernier callipers is - 0.02 cm, what is the correct length ?

Q. A vernier callipers works on the principle of vernier.

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