Physics Questions Practice Question and Answer

Q:

Which of the following is a unit of heat?

1300 0

  • 1
    Celsius
    Correct
    Wrong
  • 2
    Calvin
    Correct
    Wrong
  • 3
    Fahrenheit
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 4. "All these"

Q:

The velocity of wind is measured by –

1288 0

  • 1
    Hydrometer
    Correct
    Wrong
  • 2
    Wind vane
    Correct
    Wrong
  • 3
    Barometer
    Correct
    Wrong
  • 4
    Anemometer
    Correct
    Wrong
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Answer : 4. "Anemometer "

Q:

Which of the following is false with reference to a photo-voltaic cell?

1286 0

  • 1
    It can store light energy in the form of electrical energy
    Correct
    Wrong
  • 2
    It converts electric energy into light energy
    Correct
    Wrong
  • 3
    It is another name as solar cell
    Correct
    Wrong
  • 4
    It can be used as infra-red detectors
    Correct
    Wrong
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Answer : 2. "It converts electric energy into light energy"

Q:

What is the most effective conductor of electricity?

1282 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:

The electric bulb has a filament?

1275 0

  • 1
    Copper
    Correct
    Wrong
  • 2
    Platinum
    Correct
    Wrong
  • 3
    Tungsten
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Tungsten"

Q:

When was the international system of units implemented?

1275 0

  • 1
    1965
    Correct
    Wrong
  • 2
    1971
    Correct
    Wrong
  • 3
    1991
    Correct
    Wrong
  • 4
    1985
    Correct
    Wrong
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Answer : 2. "1971"

Q:

The sky appears blue die to 

1272 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:

Transformers are used

1269 0

  • 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"

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