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प्रश्न
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उत्तर
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संबंधित प्रश्न
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
Is it possible to increase the degree of accuracy by mathematical manipulations? Support your answer by an example.
(a) A vernier scale has 10 divisions. It slides over the main scale, whose pitch is 1.0 mm. If the number of divisions on the left hand of zero of the vernier scale on the main scale is 56 and the 8th vernier scale division coincides with the main scale, calculate the length in centimetres.
(b) If the above instrument has a negative error of 0.07 cm, calculate the corrected length.
The least count of a vernier callipers is 0.01 cm and it has an error of + 0.07 cm. While measuring the radius of a sphere, the main scale reading is 2.90 cm and the 5th vernier scale division coincides with the main scale. Calculate the correct radius.
What do you understand by the following term as applied to screw gauge?
Positive zero error
Name the measuring employed to measure the diameter of a needle.
What is meant by the pitch of a screw gauge? The pitch of a screw is 1 mm.
Find the reading of the instrument shown in the following figure.
