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If a calculated value 2.7465 g contains ...

If a calculated value 2.7465 g contains only three significant figures, the two insignificant digits in it are

A

2 and 7

B

7 and 4

C

6 and 5

D

4 and 6

Text Solution

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The correct Answer is:
3
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AAKASH INSTITUTE-UNITS AND MEASUREMENTS-ASSIGNMENT SECTION A Objective (One option is correct )
  1. The number of significant zeros present in the measured value 0.020040...

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  2. The number of significant figures in the measured value 4.700 m is the...

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  3. If a calculated value 2.7465 g contains only three significant figures...

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  4. An object of mass 4.237 g occupies a volume 1.72 cm^3. The density of ...

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  5. Round off the value 2.845 to three significant figures

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  6. A length 5.997 m rounded off to three significant figures is written a...

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  7. The order of the magnitude of speed of light in SI unit is

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  8. The values of a number of quantities are used in a mathematical formul...

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  9. What are the dimensions of the change in velocity ?

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  10. The dimensional formula for energy is

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  11. The pair of the quantities having same dimensions is

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  12. The dimensional formula for refractive index is

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  13. The dimensional formula [ML^(-1)T^(-2)] is for the quantity

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  14. In what direction does the buoyant force on an object immersed in a li...

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  15. The dimensionally correct expression for the resistance R among the fo...

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  16. Which of the following does not have dimensions of force?

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  17. The potential energy of a particle varies with distance x from a fixed...

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  18. The time dependence of a physical quantity P is given by P=P(0) exp (-...

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  19. The dimensions of potential energy of an object in mass, length and ti...

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  20. Which of the following is not a dimensional constant ?

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