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संबंधित प्रश्न
Name the instrument which has the least count
1 mm
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.
Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors.
A body measures 25 m. State the unit and the magnitude of the unit in the statement.
Name the most convenient unit of mass you will use to measure:
The bag of sugar
Amongst the unit of volume which is most suitable for measuring:
Volume of air in the room
The size of bacteria is 2 μ.. Find the number of bacteria in 3 m length.
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?
