Physics Practice Question and Answer

Q:

What is the minimum unit of length?

2226 0

  • 1
    Micron
    Correct
    Wrong
  • 2
    Fermimeter
    Correct
    Wrong
  • 3
    Angstram
    Correct
    Wrong
  • 4
    nanometer
    Correct
    Wrong
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Answer : 2. "Fermimeter"

Q:

A raised hammer possesses:

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  • 1
    Muscular Energy
    Correct
    Wrong
  • 2
    Mechanical Energy
    Correct
    Wrong
  • 3
    Potential Energy
    Correct
    Wrong
  • 4
    Kinetic Energy
    Correct
    Wrong
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Answer : 3. "Potential Energy"

Q:

The process of transferring of charge from a charged object to the earth is called ______________.

2180 1

  • 1
    Neutralization
    Correct
    Wrong
  • 2
    Negation
    Correct
    Wrong
  • 3
    Earthing
    Correct
    Wrong
  • 4
    Terraforming
    Correct
    Wrong
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Answer : 3. "Earthing"

Q:

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

2157 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:

The width of a mirror is called the mirror?

2148 0

  • 1
    focus
    Correct
    Wrong
  • 2
    Dhruv
    Correct
    Wrong
  • 3
    Asterisks
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Asterisks"

Q:

The separation of cream from milk by churning is due to 

2125 0

  • 1
    Cohesive force
    Correct
    Wrong
  • 2
    Centrifugal force
    Correct
    Wrong
  • 3
    Gravitational force
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "Centrifugal force "

Q:

Seawater can be purified by the process of -

2112 1

  • 1
    filtration
    Correct
    Wrong
  • 2
    fractional distillation
    Correct
    Wrong
  • 3
    distillation
    Correct
    Wrong
  • 4
    evaporation
    Correct
    Wrong
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Answer : 3. "distillation "

Q:

What type of light beam is obtained by flashlight?

2070 0

  • 1
    parallel light beam
    Correct
    Wrong
  • 2
    convergent light
    Correct
    Wrong
  • 3
    Unrefracted light beam
    Correct
    Wrong
  • 4
    All the statements are true
    Correct
    Wrong
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Answer : 2. "convergent light"

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