Physics Questions Practice Question and Answer

Q:

What is the S.I unit of lens capacity?

1984 0

  • 1
    meter
    Correct
    Wrong
  • 2
    (meter) 2
    Correct
    Wrong
  • 3
    diopter
    Correct
    Wrong
  • 4
    Others
    Correct
    Wrong
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Answer : 3. "diopter"

Q:

In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?

1972 0

  • 1
    1935
    Correct
    Wrong
  • 2
    1924
    Correct
    Wrong
  • 3
    1930
    Correct
    Wrong
  • 4
    1919
    Correct
    Wrong
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Answer : 2. "1924"
Explanation :

1. In which year did Albert Einstein predict a new state of matter, Bose-Einstein condensate (BEC) in 1924, based on the quantum formulation given by Indian physicist Satyendra Nath Bose?

2. Bose–Einstein condensate (BEC) is a state of matter in which a group of boson particles are in the same quantum state.

Q:

In what units can we measure food energy?

1968 1

  • 1
    Joule
    Correct
    Wrong
  • 2
    calories
    Correct
    Wrong
  • 3
    Arg
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "calories"

Q:

The substance which conducts current in the solid state is –

1957 0

  • 1
    iodine
    Correct
    Wrong
  • 2
    sodium chloride
    Correct
    Wrong
  • 3
    diamond
    Correct
    Wrong
  • 4
    graphite
    Correct
    Wrong
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Answer : 4. "graphite "

Q:

On increasing the pressure on ice, what will be its melting point?

1938 0

  • 1
    decrease
    Correct
    Wrong
  • 2
    increase
    Correct
    Wrong
  • 3
    become zero
    Correct
    Wrong
  • 4
    remain unchanged
    Correct
    Wrong
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Answer : 1. "decrease"

Q:

The shortest unit of length is: 

1926 0

  • 1
    Angstroms
    Correct
    Wrong
  • 2
    Fermi meter
    Correct
    Wrong
  • 3
    Micron
    Correct
    Wrong
  • 4
    Nanometer
    Correct
    Wrong
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Answer : 2. "Fermi meter "

Q:

Which among the following is a vector quantity?

1902 0

  • 1
    Heat
    Correct
    Wrong
  • 2
    Work
    Correct
    Wrong
  • 3
    Angular momentum
    Correct
    Wrong
  • 4
    Time
    Correct
    Wrong
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Answer : 3. "Angular momentum "

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.

1876 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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