Advertisements
Advertisements
Question
A vernier has 10 divisions and they are equal to 9 divisions of the main scale in length. If the main scale is calibrated in mm, what is its least count?
Advertisements
Solution
Value of 1 m.s.d. = 1 mm
10 vernier divisions = 9 m.s.d.
L.C. = Value of 1 m.s.d./number of divisions on vernier scale
= 1 mm/10
= 0.1 mm or 0.01 cm
APPEARS IN
RELATED QUESTIONS
Name the instrument which has the least count
1 mm
A stopwatch has 10 divisions graduated between the 0 and 5 s marks. What is its least count?
The main scale of a vernier callipers is calibrated in mm and 19 divisions of main scale are equal in length to 20 divisions of the vernier scale. In measuring the diameter of a cylinder by this instrument, the main scale reads 35 divisions and 4th division of vernier scale coincides with a main scale division. Find
(i) Least count and (ii) Radius of a cylinder.
What do you understand by amplitude of simple pendulum?
Name the convenient unit you will use to measure:
length of a hall
Name the convenient unit you will use to measure:
diameter of hair
Amongst the unit of volume which is most suitable for measuring:
Volume of a swimming tank
Amongst the unit of volume which is most suitable for measuring:
Volume of a glass filled with milk
Amongst the unit of volume which is most suitable for measuring:
Volume of an exercise book
