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प्रश्न
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
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उत्तर
Diagram of vernier callipers:
Main parts and their functions:
Main scale: It is used to measure length correct up to 1 mm.
Vernier scale: It helps to measure length correct up to 0.1 mm.
Outside jaws: It helps to measure length of a rod, diameter of a sphere, external diameter of a hollow cylinder.
Inside jaws: It helps to measure the internal diameter of a hollow cylinder or pipe.
Strip: It helps to measure the depth of a beaker or a bottle.
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संबंधित प्रश्न
Name the part of the vernier callipers which is used to measure the following
Thickness of a pencil.
Define metre according to the old definition.
State the formula for calculating length if:
The reading of the main scale is known and the number of vernier scale divisions coinciding with the main scale is known.
Which part of vernier callipers is used to measure the external diameter of a cylinder?
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve cylinder
How do you account for positive zero error for calculating the correct diameter of wires?
Name the measuring employed to measure the diameter of a pencil.
What is the least count in the case of the following instrument?
Screw gauge
Thickness of a cricket ball is measured by ______.
