Advertisements
Advertisements
Question
Name the measuring employed to measure the thickness of a paper.
Solution
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
RELATED QUESTIONS
A screw gauge has a least count 0.001 cm and zero error +0.007 cm. Draw a neat diagram to represent it.
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
The least count of a vernier callipers is 0.0025 cm and it has an error of + 0.0125 cm. While measuring the length of a cylinder, the reading on the main scale is 7.55 cm, and the 12th vernier scale division coincides with the main scale. Calculate the corrected length.
Define the term least count as applied to a vernier callipers.
What is the function of ratchet in the screw gauge?
Explain the term least count of a screw gauge. How are they determined?
What is the least count in the case of the following instrument?
Screw gauge