Random Questions Part-4

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1)   Two boats are moving in same direction in a river. What is the best condition so that the boats move parallel in the same direction

  • [A] Should move parallel
  • [B] Should slightly bends to each other
  • [C] Should move away from each other
  • [D] Not possible

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Should move away from each other

2)   Why does bleeding occur through the nose in high mountainous region?

  • [A] The blood pressure fluctuates and finally decreases
  • [B] The blood pressure of a person increases at high alitudes
  • [C] The pressure at high altitudes is greater than that on the plains
  • [D] The pressure of blood in capillaries is greater than the outside pressure

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The blood pressure of a person increases at high alitudes

3)   When a red glass heated in dark room it will seem

  • [A] Red
  • [B] White
  • [C] Black
  • [D] Green

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Green

4)   Speed of sound is greatest in

  • [A] Water
  • [B] Air
  • [C] Glass
  • [D] Glycerine

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Glass

5)   Instrument used to measure velocity and force of wind

  • [A] Anemometer
  • [B] Altimeter
  • [C] Audiometer
  • [D] Pantagraph

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Anemometer

6)   While catching a ball , a player pulls down his hands to lower the

  • [A] Catching time
  • [B] Momentum
  • [C] Force
  • [D] Impulse

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Momentum

7)   What is the minimum escape velocity of rocket to be launched into space?

  • [A] 8 km/sec
  • [B] 9 km/sec
  • [C] 10 km/sec
  • [D] 11 km/sec

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11 km/sec

8)   One kilowatt hour is equal to

  • [A] 3.6 mega joule
  • [B] 3.4 mega joule
  • [C] 4 mega joule
  • [D] 3.8 mega joule

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3.6 mega joule

9)   The value of acceleration due to gravity for earth is

  • [A] Constant everywhere
  • [B] Same at poles
  • [C] Greater at equator than at the poles
  • [D] Greater at poles than at the equator

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Greater at poles than at the equator

10)   The energy possessed by a horse running on level road is

  • [A] Kinetic energy
  • [B] Potential Energy
  • [C] Heat energy
  • [D] Solar energy

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Kinetic energy

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