Physics Questions Practice Question and Answer

Q:

Which scientist first melted two pieces of ice by rubbing them together?

2187 0

  • 1
    Celsius
    Correct
    Wrong
  • 2
    Joule
    Correct
    Wrong
  • 3
    Davy
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Davy"

Q:

The time period of a pendulum – 

2186 0

  • 1
    Depends on the mass
    Correct
    Wrong
  • 2
    Depends on its length
    Correct
    Wrong
  • 3
    Depends on time
    Correct
    Wrong
  • 4
    Depends on temperature
    Correct
    Wrong
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Answer : 2. " Depends on its length "

Q:

What is the orbital velocity of the geostationary satellite?

2169 0

  • 1
    3.08 km /s
    Correct
    Wrong
  • 2
    6.66 km /s
    Correct
    Wrong
  • 3
    4.15 km /s
    Correct
    Wrong
  • 4
    2.78 km /s
    Correct
    Wrong
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Answer : 1. "3.08 km /s "

Q:

What is the minimum unit of length?

2168 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 ______________.

2094 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:

The width of a mirror is called the mirror?

2088 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:

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

2056 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.

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