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प्रश्न
When does a vernier callipers has the positive error?
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उत्तर
Positive Error: If the zero of the vernier scale is on the right-hand side of zero of the main scale, then the error is said to be positive and correction is said to be negative.
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संबंधित प्रश्न
Name the part of the vernier callipers which is used to measure the following
Depth of a small bottle
The main scale of vernier callipers has 10 divisions in a centimetre and 10 vernier scale divisions coincide with 9 main scale divisions. Calculate
- pitch
- L.C. of vernier callipers.
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.
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?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
What is the backlash error?
In the following figure, the pitch of the screw is 1 mm. Calculate:
(i) the least count of screw gauge and
(ii) the reading represented in the figure.
Thickness of a cricket ball is measured by ______.
The precision of vernier calipers is ______ mm.
