Advertisements
Advertisements
Question
When is a vernier Callipers said to be free from zero error?
Solution
A vernier Callipers are said to be free from zero error if the zero marks of the vernier scale coincides with the zero marks of the main scale.
APPEARS IN
RELATED QUESTIONS
Describe in steps, how would you use a vernier callipers to measure the length of a small rod ?
The least count of a vernier calipers is :
Fig., below shows the reading obtained while measuring the diameter of a wire with a screw gauge. The screw advances by 1 division on the main scale when circular head is rotated once.
Find:
(i) Pitch of the screw gauge,
(ii) Least count of the screw gauge and
(iii) The diameter of the wire.
How the backlash error is avoided?
Name the measuring employed to measure the thickness of a paper.
Least count of a vernier caliper is ______ cm.