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Choose the correct option. The number ...

Choose the correct option.
The number of significant figures in 0.400 is

A

1

B

2

C

3

D

4

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
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  2. Choose the correct option. The magnitude of any physical quantity ca...

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  3. Choose the correct option. The number of significant figures in 0.40...

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  4. Choose the correct option. Which of the following is NOT a fundament...

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  5. Choose the correct option. Dimensions of kinetic energy are the same...

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  6. Choose the correct option. Which is following relations is correct?

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  7. Choose the correct option. SI unit of energy, the joule is equivalen...

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  8. Choose the correct option. The error in the measurement of sides of ...

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  9. Choose the correct option. Dimensions of electric potential are

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  10. Choose the correct option. Which of the following is supplementary un...

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  11. Choose the correct option. If the pointer of the voltmeter shows rea...

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  12. Choose the correct option. The number of seconds in a day has order o...

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  13. Choose the correct option. N//m^2 is a unit of

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  14. Choose the correct option. If x = at + bt^2, where x is distance tra...

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  15. Choose the correct option. Select the pair whose dimensions are same

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  16. Choose the correct option. Which of the following units is NOT writte...

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  17. Choose the correct option. Which of the following is dimensionaless

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  18. Choose the correct option. The sum of 7.21, 12.141 and 0.0028 can be...

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  19. The diference between the true value and measured value is called

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  20. If the pointer of the voltmetre is not exactly at the zero of the scal...

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