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प्रश्न
उत्तर
Two scales in a screw gauge are
(a). A linear scale called the main scale graduated in half millimeters
(b). A circular scale divided into 50 or 100 equal parts.
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संबंधित प्रश्न
While measuring the length of a rod with a vernier callipers, below shows the position of its scales. What is the length of the rod?
The thimble of a screw gauge has 50 divisions. The spindle advances 1 mm when the screw is turned through two revolutions.
(i) What is the pitch of the screw gauge?
(ii) What is the least count of the screw gauge?
What is the need for measuring length with vernier callipers?
State the correction if the negative error is 7 divisions when the least count is 0.01 cm.
The thimble of a screw gauge has 50 divisions for one rotation. The spindle advances 1 mm when the screw is turned through two rotations.
- What is the pitch of the screw?
- What is the least count of screw gauge?
- When the screw gauge is used to measure the diameter of wire the reading on the sleeve is found to be 0.5 mm and reading on thimble is found, 27 divisions. What is the diameter of the wire in centimetres?
State the formula for calculating the pitch of screw.
The level of water in a measuring cylinder is 12.5 ml. When a stone is lowered in it, the volume is 21.0 ml. Find the volume of the stone.
What is the least count in the case of the following instrument?
Metre scale
