Advertisements
Advertisements
Question
Define the least count of an instrument.
Short/Brief Note
Advertisements
Solution
Least count of an instrument refers to the smallest reading that can be accurately measured while using the instrument. For an instrument provided with a scale, the least count is the value of one division on its scale.
shaalaa.com
Vernier Callipers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Explain the terms : Pitch .
How are they determined?
Who invented vernier callipers?
The thimble of a screw gauge has 50 divisions for one rotation. The spindle advances 1 mm when the screw is turned through two rotations.
- What is the pitch of the screw?
- What is the least count of screw gauge?
- When the screw gauge is used to measure the diameter of wire the reading on the sleeve is found to be 0.5 mm and reading on thimble is found, 27 divisions. What is the diameter of the wire in centimetres?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
What do you understand by the following term as applied to micrometre screw gauge?
Baseline
Name the measuring employed to measure the diameter of a needle.
The pitch of a screw gauge is 0.5 mm and the head scale is divided into 100 parts. What is the least count of screw gauge?
If the 4th division of the circular scale coincides with the zero of the main scale of a screw gauge of least count 0.01 mm, what is it's zero error?
How will you record your observations while measuring the volume of an irregular solid by the displacement method using a cylinder?
How will you measure the least count of vernier caliper?
