Advertisements
Advertisements
प्रश्न
Define metre according to the old definition.
Advertisements
उत्तर
One metre is defined as the one ten-millionth part of distance from the pole to the equator.
APPEARS IN
संबंधित प्रश्न
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
In figure for vernier callipers, calculate the length recorded.
(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.
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.
For what range of measurement is micrometre screw gauge used?
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve scale
What is the least count in the case of the following instrument?
vernier calipers
State whether true or false. If false, correct the statement.
With the help of vernier caliper we can have an accuracy of 0.1 mm and with screw gauge we can have an accuracy of 0.01 mm.
