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…………… is a scalar quantity. (Force, Wo...

…………… is a scalar quantity.
(Force, Work, Displacement)

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The correct Answer is:
Work
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (FILL IN THE BLANKS BY SELECTING THE CORRECT ALTERNATIVE FROM THOSE GIVEN IN THE BRACKET)
  1. As the angle between force and displacement increases, the magnitude o...

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  2. On pressing a spring its potential energy ………….. (remains constant, ...

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  3. …………… is a scalar quantity. (Force, Work, Displacement)

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  4. The unit of power is …………… (joule, watt, unit)

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  5. When an object of mass 10 kg is at height ………… m, its potential energy...

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  6. 1MW=……………W (10^(3),10^(5),10^(6))

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  7. 20 unit = ……………. Watt-second. (20xx10^(3),3.6xx10^(6),7.2xx10^(7))

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  8. The total energy of a body falling freely towards the earth …………… (i...

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  9. 5 electric bulbs of 100 W are used for 8 hours, then …………… unit of ene...

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  10. Power of a water-pump is 2kW ………….. Litre of water can be lifted to a ...

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  11. As the angle between force and displacement increases, the magnitude o...

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  12. On pressing a spring its potential energy ………….. (remains constant, ...

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  13. …………… is a scalar quantity. (Force, Work, Displacement)

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  14. The unit of power is …………… (joule, watt, unit)

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  15. When an object of mass 10 kg is at height ………… m, its potential energy...

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  16. 1MW=……………W (10^(3),10^(5),10^(6))

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  17. 20 unit = ……………. Watt-second. (20xx10^(3),3.6xx10^(6),7.2xx10^(7))

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    |

  18. The total energy of a body falling freely towards the earth …………… (i...

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    |

  19. 5 electric bulbs of 100 W are used for 8 hours, then …………… unit of ene...

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    |

  20. Power of a water-pump is 2kW ………….. Litre of water can be lifted to a ...

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    |