Physics Questions Practice Question and Answer

Q:

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

1671 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:

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

2029 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 "

Q:

A wooden spoon is dipped in a cup of ice-cream, then its other end 

2226 0

  • 1
    does not become cold
    Correct
    Wrong
  • 2
    becomes cold by the process of conduction
    Correct
    Wrong
  • 3
    becomes cold by the process of convection
    Correct
    Wrong
  • 4
    becomes cold by the process of radiation
    Correct
    Wrong
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Answer : 1. "does not become cold "

Q:

Satellite is kept moving in its orbit around the Earth, it is due to – 

1772 0

  • 1
    Gravitational Force or lack of it
    Correct
    Wrong
  • 2
    Some other Forces
    Correct
    Wrong
  • 3
    Centrifugal Force
    Correct
    Wrong
  • 4
    Centripetal Force
    Correct
    Wrong
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Answer : 4. "Centripetal Force "

Q:

Fathometer is used to measure

1674 0

  • 1
    Earthquake
    Correct
    Wrong
  • 2
    Rain
    Correct
    Wrong
  • 3
    Depth of sea
    Correct
    Wrong
  • 4
    Sound intensity
    Correct
    Wrong
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Answer : 3. "Depth of sea "

Q: Megahertz is a measurement of 1298 0

  • 1
    Frequency
    Correct
    Wrong
  • 2
    Speed
    Correct
    Wrong
  • 3
    Wavelength
    Correct
    Wrong
  • 4
    Capacity
    Correct
    Wrong
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Answer : 1. "Frequency"
Explanation :

Answer: A) Frequency Explanation: Megahertz is used to measure wave frequencies, as well as the speed of microprocessors. One MHz represents one million cycles per second. The speed of microprocessors, called the clock speed.

Q:

When water is heated from 0°C to 4°C, its volume:

906 0

  • 1
    first increases then decreases
    Correct
    Wrong
  • 2
    remains the same
    Correct
    Wrong
  • 3
    increases
    Correct
    Wrong
  • 4
    decreases
    Correct
    Wrong
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Answer : 4. "decreases"

Q:

The time period of a pendulum – 

1587 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 "

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