Physics Questions Practice Question and Answer

Q:

Transformer is used for -

1782 0

  • 1
    To step up DC voltage
    Correct
    Wrong
  • 2
    To step up or step-down AC voltages
    Correct
    Wrong
  • 3
    Converting AC into Dc
    Correct
    Wrong
  • 4
    Converting DC into AC
    Correct
    Wrong
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Answer : 2. "To step up or step-down AC voltages"

Q:

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

1775 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:

What is the unit of measurement of ampere?

1771 0

  • 1
    Current
    Correct
    Wrong
  • 2
    resistance
    Correct
    Wrong
  • 3
    Power
    Correct
    Wrong
  • 4
    voltage
    Correct
    Wrong
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Answer : 1. "Current"

Q:

What is the decibel level of sound produced by two persons in conversation? 

1754 0

  • 1
    About 30 decibels
    Correct
    Wrong
  • 2
    About 100 decibels
    Correct
    Wrong
  • 3
    About 5 decibels
    Correct
    Wrong
  • 4
    About 10 decibels
    Correct
    Wrong
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Answer : 1. "About 30 decibels "

Q:

Which of the following is a vector quantity?

1729 1

  • 1
    Energy
    Correct
    Wrong
  • 2
    temperature
    Correct
    Wrong
  • 3
    force
    Correct
    Wrong
  • 4
    speed
    Correct
    Wrong
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Answer : 3. "force"

Q:

Maxwell is unit of

1725 2

  • 1
    Intensity of magnetization
    Correct
    Wrong
  • 2
    Permeability
    Correct
    Wrong
  • 3
    Magnetic flux
    Correct
    Wrong
  • 4
    Magnetic susceptibility
    Correct
    Wrong
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Answer : 3. "Magnetic flux"

Q:

What is the unit of power of the lens in SI method?

1704 0

  • 1
    Watts
    Correct
    Wrong
  • 2
    Opter
    Correct
    Wrong
  • 3
    diopters
    Correct
    Wrong
  • 4
    Newton
    Correct
    Wrong
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Answer : 3. "diopters"

Q:

Which one of the following is not a vector amount?

1700 2

  • 1
    velocity
    Correct
    Wrong
  • 2
    momentum
    Correct
    Wrong
  • 3
    mass
    Correct
    Wrong
  • 4
    angular velocity
    Correct
    Wrong
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Answer : 3. "mass"

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