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प्रश्न
State the correction if the negative error is 7 divisions when the least count is 0.01 cm.
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उत्तर
When negative error is 7 divisions and count (L.C.) is 0.01 cm,
Then correction = (10 – 7) × 0.01 cm
= (3 × 0.01) cm
= + 0.03 cm
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संबंधित प्रश्न
State the purpose of ratchet in a screw gauge.
(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.
State the formula for determining least count for a vernier callipers.
Which part of vernier callipers is used to measure the internal diameter of a hollow cylinder?
State the formula for calculating the least count of screw.
Name the measuring employed to measure the thickness of a paper.
State whether the following statement is true or false by writing T/F against it.
The least count of a screw gauge can be lowered by increasing the number of divisions on its thimble.
