Physics Practice Question and Answer

Q:

Weighing 1 kilogram is the weight. 

831 0

  • 1
    1 N
    Correct
    Wrong
  • 2
    10 N
    Correct
    Wrong
  • 3
    9.8 N
    Correct
    Wrong
  • 4
    9 N
    Correct
    Wrong
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Answer : 3. "9.8 N "

Q:

The velocity of light in vacuum or air is 

844 0

  • 1
    $$3 x 10^8$$ m / sec .
    Correct
    Wrong
  • 2
    $$2 x 10^4$$ m / sec .
    Correct
    Wrong
  • 3
    $$9 x 10^2$$ m / sec .
    Correct
    Wrong
  • 4
    $$3 x 10^11$$ m / sec .
    Correct
    Wrong
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Answer : 1. "$$3 x 10^8$$ m / sec . "

Q:

The SI unit of mechanical power is: 

958 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? 

802 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: 

887 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:

719 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: 

668 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? 

622 0

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

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