Physics Practice Question and Answer

Q:

The ability to work is called?

1012 0

  • 1
    energy
    Correct
    Wrong
  • 2
    acceleration
    Correct
    Wrong
  • 3
    Displacement
    Correct
    Wrong
  • 4
    force
    Correct
    Wrong
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Answer : 1. "energy"

Q:

 Who discovered the principle of 'Law of Floating’?

1011 0

  • 1
    Galileo
    Correct
    Wrong
  • 2
    Archimedes
    Correct
    Wrong
  • 3
    Newton
    Correct
    Wrong
  • 4
    Writer Brothers
    Correct
    Wrong
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Answer : 2. " Archimedes "

Q:

The ‘Choke’ is used with a tube light is basically

1007 0

  • 1
    An inductor
    Correct
    Wrong
  • 2
    A capacitor
    Correct
    Wrong
  • 3
    A transformer
    Correct
    Wrong
  • 4
    A resistor
    Correct
    Wrong
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Answer : 1. "An inductor"

Q:

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

1007 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:

Which among the following is a vector quantity?

1003 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 depth of the bucket filled with water seems low. this is due to ?

1002 0

  • 1
    complete internal reflection
    Correct
    Wrong
  • 2
    refraction
    Correct
    Wrong
  • 3
    Reflection
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "refraction"

Q:

What constitutes current in a metal wire.

998 0

  • 1
    neutrons
    Correct
    Wrong
  • 2
    protons
    Correct
    Wrong
  • 3
    electrons
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "electrons"

Q:

Light year is the unit of measurement of 

997 0

  • 1
    the age of the universe
    Correct
    Wrong
  • 2
    very short time - lapse
    Correct
    Wrong
  • 3
    very high temperature
    Correct
    Wrong
  • 4
    very long distance
    Correct
    Wrong
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Answer : 4. "very long distance "

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