Physics Practice Question and Answer

Q:

Who has the maximum field of vision?

947 0

  • 1
    plane mirror
    Correct
    Wrong
  • 2
    convex mirror
    Correct
    Wrong
  • 3
    concave mirror
    Correct
    Wrong
  • 4
    All of them
    Correct
    Wrong
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Answer : 2. "convex mirror"

Q:

Convex lens is used?

831 0

  • 1
    To correct the vision defect in human eye
    Correct
    Wrong
  • 2
    Visionary
    Correct
    Wrong
  • 3
    under microscope
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

One Joule is equal to

1068 0

  • 1
    $$ {10^11}erg$$
    Correct
    Wrong
  • 2
    $$ {10^5}erg$$
    Correct
    Wrong
  • 3
    $$ {10^3}erg$$
    Correct
    Wrong
  • 4
    $$ {10^7}erg$$
    Correct
    Wrong
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Answer : 4. "$$ {10^7}erg$$"

Q:

What happens to the speed of a cycle when it travels on a rough surface?

929 0

  • 1
    Increases
    Correct
    Wrong
  • 2
    Decreases
    Correct
    Wrong
  • 3
    Remains the same
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Decreases"

Q:

In the following is not an example of refraction of light.

1669 0

  • 1
    Twinkling effect of stars
    Correct
    Wrong
  • 2
    Mirages
    Correct
    Wrong
  • 3
    Bending of light while passing through a medium
    Correct
    Wrong
  • 4
    lateral inversion
    Correct
    Wrong
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Answer : 4. "lateral inversion"

Q:

Which of the following is false?
Sound waves are _________ waves.

1378 0

  • 1
    Pressure
    Correct
    Wrong
  • 2
    Longitudinal
    Correct
    Wrong
  • 3
    Electromagnetic
    Correct
    Wrong
  • 4
    Mechanical
    Correct
    Wrong
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Answer : 2. "Longitudinal"

Q:

The time period of a pendulum – 

1583 0

  • 1
    Depends on the mass
    Correct
    Wrong
  • 2
    Depends on its length
    Correct
    Wrong
  • 3
    Depends on time
    Correct
    Wrong
  • 4
    Depends on temperature
    Correct
    Wrong
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Answer : 2. " Depends on its length "

Q:

If a person sitting in a lift then when will he feel that his weight gets increased? 

2025 0

  • 1
    Going upward with constant velocity
    Correct
    Wrong
  • 2
    Going downward with constant velocity
    Correct
    Wrong
  • 3
    When the elevator going upward expeditiously
    Correct
    Wrong
  • 4
    When the elevator going down expeditiously
    Correct
    Wrong
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Answer : 3. "When the elevator going upward expeditiously "

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