Advertisements
Advertisements
प्रश्न
Name the measuring employed to measure the thickness of a paper.
उत्तर
Measuring employed to measure the following
The diameter of a needle = Screw Gauge
Because screw gauge Is more accurate and can measure the thicknesses which metre scale and vemler calliper cannot.
APPEARS IN
संबंधित प्रश्न
A vernier callipers has its main scale graduated in mm and 10 divisions on its vernier scale are equal in length to 9 mm. When the two jaws are in contact, the zero of the vernier scale is ahead of the zero of the main scale and the 3rd division of the vernier
scale coincides with a main scale division.
Find : (i) The least count and
(ii) The zero error of the vernier callipers.
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of a screw gauge?
When a screw gauge with a least count of 0.01 mm is used to measure the diameter of a wire, the reading on the sleeve is found to be 1 mm and the reading on the thimble is found to be 27 divisions.
(i) What is the diameter of the wire in cm?
(ii) If the zero error is +0.005 cm, what is the correct diameter?
Define metre in terms of the wavelength of light.
For what range of measurement is micrometre screw gauge used?
What do you understand by the term least count of screw?
What is the backlash error?
Name the measuring employed to measure the diameter of a needle.
Name the measuring employed to measure the diameter of a pencil.