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संबंधित प्रश्न
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
Name the instrument which has the least count
0.1 mm
A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is +0.02 cm, what is the correct thickness of the pencil?
While measuring the length of a rod with a vernier callipers, below shows the position of its scales. What is the length of the rod?
Which part of vernier callipers is used to measure the external diameter of a cylinder?
The circular scale of a screw gauge has 50 divisions. Its spindle moves by 2 mm on the sleeve, when given four complete rotations calculate
- pitch
- least count
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?
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
