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प्रश्न
What do you understand by the term least count of screw?
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उत्तर
Least distance of the screw is defined as the smallest distance moved by its tip when the screw turns through one division marked on it.
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संबंधित प्रश्न
(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.
What is the need for measuring length with vernier callipers?
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.
When does a vernier callipers has the positive error?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
State the formula for calculating the pitch of screw.
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
