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Number of significant digits in 20.00......

Number of significant digits in 20.00..........

A

1

B

2

C

3

D

4

Text Solution

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The correct Answer is:
D
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FULL MARKS-NATURE OF PHYSICAL WORLD AND MEASUREMENT -ADDITIONAL QUESTIONS SOLVED (MULTIPLE CHOICE QUESTIONS)
  1. Number of significant digits in 2030...........

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  2. Number of significant digits in 0.0342.............

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  3. Number of significant digits in 20.00..........

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  4. Number of significant digits in 0.030400.............

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  5. The force acting on a body is mesured as 4.25 N. Round it off with two...

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  6. The quantities a, b, c are measured as 3.21, 4.253, 7.2346. The sum (a...

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  7. The dimensionis of universal gravitational constant is

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  8. The ratio of one nanometer to one micron is……….

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  9. Which of the following physical quantities have same dimensional formu...

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  10. Two quantities A and B have different dimensions. Which of the followi...

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  11. The dimensional formula for moment of inertia…………..

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  12. Which of the following is having same dimensional formula?

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  13. Which of the following quantities is expressed as force per unit area?

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  14. In equation of motion S=ut + 1/2 kt^(2) , the dimensional formula for ...

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  15. The dimensional formula for heat capacity..............

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  16. The product of Avogadro constant and elementary charge is known as ......

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  17. Force F is given by F=at+bt^(2). Where ''t'' is time. What are the dim...

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  18. Dimensions of impulse are :

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  19. If speed of light (c), acceleration due to gravity (g) and pressure (P...

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  20. Equivalent of one joule is…………

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