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प्रश्न
What do you understand by the term degree of accuracy?
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उत्तर
Degree of accuracy: It means that we can measure a quantity, without any error of estimation.
In an experiment, all observations should be taken with some degree of accuracy.
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संबंधित प्रश्न
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.
A body measures 25 m. State the unit and the magnitude of the unit in the statement.
Name the convenient unit you will use to measure:
length of a hall
Name the most convenient unit of mass you will use to measure:
The bag of sugar
Name the most convenient unit of mass you will use to measure:
Mass of a cricket ball.
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?
