Physics Questions Practice Question and Answer

Q:

Who invented electromagnetic theory? 

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  • 1
    Thomas Alva addition
    Correct
    Wrong
  • 2
    J. J. Thomson
    Correct
    Wrong
  • 3
    Michael Faraday
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Michael Faraday "

Q:

What is measured in cusecs?

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  • 1
    Flow of water
    Correct
    Wrong
  • 2
    Quantity of water
    Correct
    Wrong
  • 3
    Purity of water
    Correct
    Wrong
  • 4
    Depth of water
    Correct
    Wrong
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Answer : 1. "Flow of water"

Q:

An object is placed in front of a concave mirror at a point between its focus point and the centre of curvature. The image to be created will be:

1418 0

  • 1
    virtual and straight
    Correct
    Wrong
  • 2
    Virtual and opposite
    Correct
    Wrong
  • 3
    Real and opposite
    Correct
    Wrong
  • 4
    Real and straight
    Correct
    Wrong
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Answer : 3. "Real and opposite"

Q:

Who discovered electromagnetic induction?

1415 0

  • 1
    Maxwell
    Correct
    Wrong
  • 2
    Fleming
    Correct
    Wrong
  • 3
    Faraday
    Correct
    Wrong
  • 4
    Ampere
    Correct
    Wrong
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Answer : 3. "Faraday"

Q:

Image formed on retina in human eye?

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  • 1
    is inverted only appears upside down
    Correct
    Wrong
  • 2
    is upright but gives inverted image.
    Correct
    Wrong
  • 3
    Inverted but directly visible
    Correct
    Wrong
  • 4
    is straight
    Correct
    Wrong
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Answer : 2. "is upright but gives inverted image."

Q:

A light bulb working on an 18 V battery draws a current of 3 A. What will be the resistance of the bulb?

1404 0

  • 1
    6 Ω
    Correct
    Wrong
  • 2
    2 Ω
    Correct
    Wrong
  • 3
    4 Ω
    Correct
    Wrong
  • 4
    3 Ω
    Correct
    Wrong
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Answer : 1. "6 Ω"
Explanation :

An electric bulb running on 18 V battery draws 3A of electric current. The resistance of the bulb will be 6 Ω.

Q:

The density of milk can be obtained by the use of – 

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  • 1
    Lactometer
    Correct
    Wrong
  • 2
    Thermometer
    Correct
    Wrong
  • 3
    Hydrometer
    Correct
    Wrong
  • 4
    Butyrometer
    Correct
    Wrong
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Answer : 1. "Lactometer "

Q:

The length of a wire is L m. The length of the wire is pulled to 2L meters, now the resistance of the wire will be.

1371 0

  • 1
    double the earlier
    Correct
    Wrong
  • 2
    First four times
    Correct
    Wrong
  • 3
    One fourth of first
    Correct
    Wrong
  • 4
    will remain unchanged
    Correct
    Wrong
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Answer : 2. "First four times "

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