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
A screw gauge has a least count 0.001 cm and zero error +0.007 cm. Draw a neat diagram to represent it.
Which of the following measures a small length to high accuracy : metre rule , vernier callipers or screw gauge?
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 1000
Which part of vernier callipers is used to measure the external diameter of a cylinder?
A micrometre screw gauge has a negative zero error of 8 divisions. While measuring the diameter of a wire the reading on the main scale is 3 divisions and the 24th circular scale division coincides with baseline.
If the number of divisions on the main scale are 20 to a centimetre and circular scale has 50 divisions, calculate
- pitch
- observed diameter.
- least count
- corrected diameter.
An instrument that is used to measure the diameter of a cricket ball is ______.
