A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement.

Physics>Chapter 1 - Units and Measurements>Can you recall?>Q 1

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11th Maharashtra Board

IMPORTANT

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What is a unit ?

Important Questions on Units and Measurements

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11th Maharashtra Board

IMPORTANT

Physics>Chapter 1 - Units and Measurements>Can you recall?>Q 2

Which units have you used in the laboratory for measuring ?

(i) length

(ii) mass

(iii) time

(iv) temperature

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11th Maharashtra Board

IMPORTANT

Physics>Chapter 1 - Units and Measurements>Can you recall?>Q 3

Which system of units have you used?

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11th Maharashtra Board

IMPORTANT

Physics>Chapter 1 - Units and Measurements>Can you tell?

If ten students are asked to measure the length of a piece of cloth up to a $mm$ , using a metre scale, do you think their answers will be identical? Give reasons.

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11th Maharashtra Board

IMPORTANT

Physics>Chapter 1 - Units and Measurements>Exercises>Q 1