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प्रश्न
State whether the following statement is true or false by writing T/F against it.
The ratchet of a screw gauge is used to measure the depth of a beaker.
पर्याय
True
False
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उत्तर
False
The ratchets are used to hold the object under measurement gently between the studs.
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संबंधित प्रश्न
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
Name the part of the vernier callipers which is used to measure the following
Internal diameter of a mug
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 1000
What do you understand by the term zero error?
When does a vernier callipers has the positive error?
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?
What is the least count in the case of the following instrument?
Metre scale
State whether true or false. If false, correct the statement.
With the help of vernier caliper we can have an accuracy of 0.1 mm and with screw gauge we can have an accuracy of 0.01 mm.
