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Define the term 'Vernier constant'.
Explain the terms : Pitch .
How are they determined?
Up to how many decimal places can a common vernier callipers measure the length in cm?
State the formula for determining least count for a vernier callipers.
State the correction if the positive 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?
For what range of measurement is micrometre screw gauge used?
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
What is the least count in the case of the following instrument?
Thermometer
