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प्रश्न
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उत्तर
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संबंधित प्रश्न
The wavelength of light of a particular colour is 5800 Å.
Express it in nanometre.
Name the part of the vernier callipers which is used to measure the following
Thickness of a pencil.
Explain the terms : Least count of a screw gauge.
How are they determined?
State one use of a screw gauge.
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
In figure for vernier callipers, calculate the length recorded.
State the formula for calculating length if:
Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier 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?
State the formula for calculating the pitch of screw.
