Advertisements
Advertisements
Question
How does negative error arise in the instrument?
Short/Brief Note
Advertisements
Solution
If the zero of the circular scale lies above the line of graduation then it is called negative zero error. When there is a negative zero error, then the instrument reads less than the actual reading. Therefore in order to get the correct reading, the zero error should always be added from the observed reading.
shaalaa.com
Vernier Callipers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
State the purpose of ratchet in a screw gauge.
What is the need for measuring length with vernier callipers?
When does a vernier callipers has the positive error?
The circular scale of a screw gauge has 50 divisions. Its spindle moves by 2 mm on the sleeve, when given four complete rotations calculate
- pitch
- least count
What do you understand by the term least count of screw?
State the formula for calculating the pitch of screw.
'Each measuring instrument has a limit of accuracy'. Comment on the statement.
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?
