Physics Practice Question and Answer

Q:

Which is the largest source of energy on earth?

1200 0

  • 1
    Sun
    Correct
    Wrong
  • 2
    wood
    Correct
    Wrong
  • 3
    Moon
    Correct
    Wrong
  • 4
    Coal
    Correct
    Wrong
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Answer : 1. "Sun"

Q:

An object weights the maximum in:

1200 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:

An object of mass 13 kg is moving with a uniform velocity of 5 ms-1. What is the kinetic energy possessed by the object?

1198 0

  • 1
    187.5 J
    Correct
    Wrong
  • 2
    17.5 J
    Correct
    Wrong
  • 3
    162.5 J
    Correct
    Wrong
  • 4
    162.5 ms
    Correct
    Wrong
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Answer : 3. "162.5 J"

Q:

Planetary scientists call the thin gaseous envelope around the Moon as the _______.

1181 0

  • 1
    lunar stratosphere
    Correct
    Wrong
  • 2
    lunar exosphere
    Correct
    Wrong
  • 3
    lunar endosphere
    Correct
    Wrong
  • 4
    lunar thermosphere
    Correct
    Wrong
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Answer : 2. "lunar exosphere "

Q:

For an object experiencing weightlessness _____

1179 0

  • 1
    its weight force is non-zero
    Correct
    Wrong
  • 2
    it has inertia
    Correct
    Wrong
  • 3
    it experiences a value of acceleration greater than the acceleration due to gravity
    Correct
    Wrong
  • 4
    it experiences a value of acceleration lesser than the acceleration due to gravity
    Correct
    Wrong
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Answer : 2. "it has inertia"

Q:

What type of current is obtained from dynamo?

1179 0

  • 1
    Direct Section
    Correct
    Wrong
  • 2
    alternating current
    Correct
    Wrong
  • 3
    both streams
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Direct Section"

Q:

The power of a lens is -2.0 D. Here ‘D’ stands for ________.

1169 0

  • 1
    distance
    Correct
    Wrong
  • 2
    dilation
    Correct
    Wrong
  • 3
    dioptre
    Correct
    Wrong
  • 4
    degree
    Correct
    Wrong
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Answer : 3. "dioptre"

Q:

Which of the following laws is associated with the heating effect of electric current?

1155 0

  • 1
    Joule's law
    Correct
    Wrong
  • 2
    Ohm's law
    Correct
    Wrong
  • 3
    Faraday's law
    Correct
    Wrong
  • 4
    Newton's law
    Correct
    Wrong
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Answer : 1. "Joule's law "

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