Physics Practice Question and Answer

Q:

The sky appears blue die to 

937 0

  • 1
    Refraction of light
    Correct
    Wrong
  • 2
    Scattering of light
    Correct
    Wrong
  • 3
    Diffraction of light
    Correct
    Wrong
  • 4
    Reflections of light
    Correct
    Wrong
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Answer : 2. "Scattering of light"

Q:

Shakti or Strength is the zodiac?

934 0

  • 1
    Scalar
    Correct
    Wrong
  • 2
    Pradeesh
    Correct
    Wrong
  • 3
    Vector
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Scalar"

Q:

The SI unit of mechanical power is: 

929 0

  • 1
    Newton - second
    Correct
    Wrong
  • 2
    Joule - second
    Correct
    Wrong
  • 3
    Joule
    Correct
    Wrong
  • 4
    Watt
    Correct
    Wrong
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Answer : 4. "Watt "

Q:

Transformers are used

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  • 1
    To convert AC into DC
    Correct
    Wrong
  • 2
    To convert DC to AC
    Correct
    Wrong
  • 3
    To detect DC voltage
    Correct
    Wrong
  • 4
    To oxidation or reduce AC voltage
    Correct
    Wrong
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Answer : 4. "To oxidation or reduce AC voltage"

Q:

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

928 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:

Rocket works on the principle of

925 0

  • 1
    energy conservation
    Correct
    Wrong
  • 2
    Bernoulli theorem
    Correct
    Wrong
  • 3
    momentum conservation
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "momentum conservation"

Q:

What is the most effective conductor of electricity?

921 0

  • 1
    Gold
    Correct
    Wrong
  • 2
    Iron
    Correct
    Wrong
  • 3
    Silver
    Correct
    Wrong
  • 4
    Copper
    Correct
    Wrong
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Answer : 3. "Silver "

Q:

Necessary to get nuclear energy?

920 0

  • 1
    Chromium
    Correct
    Wrong
  • 2
    Silicon
    Correct
    Wrong
  • 3
    Uranium
    Correct
    Wrong
  • 4
    Aluminum
    Correct
    Wrong
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Answer : 3. "Uranium"

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