Physics Questions Practice Question and Answer

Q:

When was the international system of units implemented?

1396 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:

What is the most effective conductor of electricity?

1394 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:

Sun appears when rising and setting?

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  • 1
    Red
    Correct
    Wrong
  • 2
    Blue
    Correct
    Wrong
  • 3
    Black
    Correct
    Wrong
  • 4
    Yellow
    Correct
    Wrong
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Answer : 1. "Red"

Q:

What force is used to remove cream from milk?

1393 0

  • 1
    frictional force
    Correct
    Wrong
  • 2
    Centripetal force
    Correct
    Wrong
  • 3
    centrifugal force
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "centrifugal force"

Q:

The velocity of wind is measured by –

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  • 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:

The velocity of sound in the air (vacuum) is:

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  • 1
    110 m / sec
    Correct
    Wrong
  • 2
    232 m / sec
    Correct
    Wrong
  • 3
    331 m / sec
    Correct
    Wrong
  • 4
    220 m / sec
    Correct
    Wrong
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Answer : 3. "331 m / sec "

Q:

In 1962, who published 'The History of Ocean Basins', which outlined the theory of how tectonic plates could move, later called 'sea floor spreading'?

1386 0

  • 1
    George Edward Backus
    Correct
    Wrong
  • 2
    Alfred Wegener
    Correct
    Wrong
  • 3
    Louis Bauer
    Correct
    Wrong
  • 4
    Harry Hammond Hess
    Correct
    Wrong
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Answer : 4. "Harry Hammond Hess"
Explanation :

1. In 1962, Harry Hammond Hayes published 'The History of Ocean Basins'.

2. In this, the theory of plate tectonics was outlined and which was later also known as 'ocean bottom spreading'.

Q:

Do doctors use to check patients' nose, ears, throat etc.?

1379 0

  • 1
    plane mirror
    Correct
    Wrong
  • 2
    convex mirror
    Correct
    Wrong
  • 3
    concave mirror
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "concave mirror"

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