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Question
Name the instrument which has the least count
1 mm
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Solution
Metre scale
RELATED QUESTIONS
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.
State the numerical value of the frequency of oscillation of a second's pendulum. Does it depend on the amplitude of oscillations?
Name the convenient unit you will use to measure:
diameter of hair
Name the most convenient unit of mass you will use to measure:
Mass of small amount of medicine.
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 air in the room
Is there any difference in the following measurements?
(a) 51.7 cm
(b) 51.70 cm
(c) 51.700 cm.
Explain your answer.
Which measurement is most accurate?
