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प्रश्न
What is the least count in the case of the following instrument?
Stopwatch
उत्तर
The least count of the following is
Stopwatch= 0.1 s
APPEARS IN
संबंधित प्रश्न
State three uses of the vernier callipers.
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
Figure shows a screw gauge in which circular scale has 200 divisions. Calculate the least count and radius of the wire.
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 scale
What do you understand by the following term as applied to screw gauge?
Zero error
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.
