Physics Questions Practice Question and Answer

Q:

The SI unit of mechanical power is: 

927 0

  • 1
    Newton - second
    Correct
    Wrong
  • 2
    Joule - second
    Correct
    Wrong
  • 3
    Joule
    Correct
    Wrong
  • 4
    Watt
    Correct
    Wrong
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Answer : 4. "Watt "

Q:

Who gave the theory of gravity? 

774 0

  • 1
    Isaac Newton
    Correct
    Wrong
  • 2
    John Adams
    Correct
    Wrong
  • 3
    Charles Newton
    Correct
    Wrong
  • 4
    Charles Babbage
    Correct
    Wrong
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Answer : 1. "Isaac Newton "

Q:

The shortest unit of length is: 

853 0

  • 1
    Angstroms
    Correct
    Wrong
  • 2
    Fermi meter
    Correct
    Wrong
  • 3
    Micron
    Correct
    Wrong
  • 4
    Nanometer
    Correct
    Wrong
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Answer : 2. "Fermi meter "

Q:

An object weights the maximum in:

693 0

  • 1
    Hydrogen
    Correct
    Wrong
  • 2
    Vacuum
    Correct
    Wrong
  • 3
    Air
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 2. "Vacuum "

Q:

The light is a: 

645 0

  • 1
    Transverse wave
    Correct
    Wrong
  • 2
    Longitudinal wave
    Correct
    Wrong
  • 3
    Both
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Transverse wave "

Q:

Which of the following is the best conductor of heat? 

595 0

  • 1
    Leather
    Correct
    Wrong
  • 2
    Benzene
    Correct
    Wrong
  • 3
    Mercury
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 3. "Mercury "

Q:

The velocity of sound in the air (vacuum) is:

973 0

  • 1
    110 m / sec
    Correct
    Wrong
  • 2
    232 m / sec
    Correct
    Wrong
  • 3
    331 m / sec
    Correct
    Wrong
  • 4
    220 m / sec
    Correct
    Wrong
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Answer : 3. "331 m / sec "

Q:

The instrument that measures and records the relative humidity of air is:

714 0

  • 1
    Hygrometer
    Correct
    Wrong
  • 2
    Hydrometer
    Correct
    Wrong
  • 3
    Lactometer
    Correct
    Wrong
  • 4
    Barometer
    Correct
    Wrong
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Answer : 1. "Hygrometer"

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