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प्रश्न
Name the measuring employed to measure the thickness of a paper.
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उत्तर
Measuring employed to measure the following
The diameter of a needle = Screw Gauge
Because screw gauge Is more accurate and can measure the thicknesses which metre scale and vemler calliper cannot.
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संबंधित प्रश्न
A vernier callipers has a zero error of + 0.06 cm. Draw a neat labelled diagram to represent it.
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
Name the part of the vernier callipers which is used to measure the following
Thickness of a pencil.
The main scale of vernier callipers has 10 divisions in a centimetre and 10 vernier scale divisions coincide with 9 main scale divisions. Calculate
- pitch
- L.C. of vernier callipers.
(a) A vernier scale has 20 divisions. It slides over the main scale, whose pitch is 0.5 mm. If the number of divisions on the left hand of the zero of vernier on the main scale is 38 and the 18th vernier scale division coincides with the main scale, calculate the diameter of the sphere, held in the jaws of vernier callipers.
(b) If the vernier has a negative error of 0.04 cm, calculate the corrected radius of the sphere.
What do you understand by the following term as applied to screw gauge?
Positive zero error
Find the volume of a book of length 25 cm, breadth 18 cm and height 2 cm in m3.
The level of water in a measuring cylinder is 12.5 ml. When a stone is lowered in it, the volume is 21.0 ml. Find the volume of the stone.
Explain the term least count of a screw gauge. How are they determined?
Name the measuring employed to measure the diameter of a pencil.
