Physics Questions Practice Question and Answer

Q:

In what units can we measure food energy?

999 1

  • 1
    Joule
    Correct
    Wrong
  • 2
    calories
    Correct
    Wrong
  • 3
    Arg
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "calories"

Q:

Does the Sun look round at sunrise and sunset?

995 0

  • 1
    Spherical
    Correct
    Wrong
  • 2
    Cubic
    Correct
    Wrong
  • 3
    Elliptical
    Correct
    Wrong
  • 4
    flat
    Correct
    Wrong
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Answer : 4. "flat"

Q:

Acceleration is

993 0

  • 1
    Inversely proportional to force
    Correct
    Wrong
  • 2
    Directly proportional to force
    Correct
    Wrong
  • 3
    Directly proportional to mass
    Correct
    Wrong
  • 4
    Inversely proportional to mass
    Correct
    Wrong
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Answer : 2. "Directly proportional to force "

Q:

Principle of fuse is – 

991 0

  • 1
    Heating effect of electricity
    Correct
    Wrong
  • 2
    Magnetic effect of electricity
    Correct
    Wrong
  • 3
    Chemical effect of electricity
    Correct
    Wrong
  • 4
    Mechanical effect of electricity
    Correct
    Wrong
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Answer : 1. "Heating effect of electricity "

Q:

Which of the following is not a unit of time?

991 0

  • 1
    light year
    Correct
    Wrong
  • 2
    leap year
    Correct
    Wrong
  • 3
    Moon month
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "light year"

Q:

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

982 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:

Alum is used as: 

978 1

  • 1
    a disinfectant
    Correct
    Wrong
  • 2
    a purifier for water
    Correct
    Wrong
  • 3
    an analgesic
    Correct
    Wrong
  • 4
    a fertilizer
    Correct
    Wrong
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Answer : 2. "a purifier for water "

Q:

Mechanical Energy is:

976 0

  • 1
    The energy release during mechanical work.
    Correct
    Wrong
  • 2
    The sum of kinetic energy and the potential energy of an object.
    Correct
    Wrong
  • 3
    Equal to the rate of doing work.
    Correct
    Wrong
  • 4
    The Energy absorbed during movement of a body.
    Correct
    Wrong
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Answer : 2. "The sum of kinetic energy and the potential energy of an object. "

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