One femtometre is equivalent to

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 12

The size of an atom is of the order of 

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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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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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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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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

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 17

A simple pendulum completes $20$oscillations in $25 \mathrm{s}$. The time is measured by a stopwatch if least count $0.2 \mathrm{s}$ . The error in measurement of time is:

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A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 18

When a current of $(2.5\pm 0.5) \mathrm{A}$ flows through a wire, it develops a potential difference of $(20\pm 1) \mathrm{V}$, the resistance of the wire is
 

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IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 1 - Measurement and Physics>EXERCISE>Q 19

The length and breadth of a metal sheet are $3.124 \mathrm{m}$and $3.002 \mathrm{m}$ respectively. The area of this sheet upto four correct significant figure is :