Which of the following is the smallest unit?

Important Questions on Measurement and Physics

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 9

Which of the following is not a unit of time?

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 10

How many joule are contained in one watt hour?

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 11

One femtometre is equivalent to

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 12

The size of an atom is of the order of 

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 13

The number of significant figures in $5418000$ are 

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 14

The sides of a rectangle are $6.01 \mathrm{m}$ and $12 \mathrm{m}$. Taking the significant figures into account, what is the area of the rectangle ?

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 15

The number of significant figures in $6.0023$ are

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11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 16

The percentage error in the measurement of mass and speed are $2\%$ and $3\%$ respectively. The error in the measurement of kinetic energy obtained by measuring mass and speed will be