Physics Practice Question and Answer

Q:

The splitting of white light into its component colours is called ______. 

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  • 1
    refraction
    Correct
    Wrong
  • 2
    reflection
    Correct
    Wrong
  • 3
    scattering
    Correct
    Wrong
  • 4
    Dispersion
    Correct
    Wrong
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Answer : 4. "Dispersion"

Q:

Who gave the principle of relativity?

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  • 1
    Einstein
    Correct
    Wrong
  • 2
    Archimedes
    Correct
    Wrong
  • 3
    Newton
    Correct
    Wrong
  • 4
    Pascal
    Correct
    Wrong
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Answer : 1. "Einstein"

Q:

Which of the following quantities is not a vector?

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  • 1
    Velocity
    Correct
    Wrong
  • 2
    Volume
    Correct
    Wrong
  • 3
    Displacement
    Correct
    Wrong
  • 4
    force
    Correct
    Wrong
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Answer : 2. "Volume"

Q:

Mechanical energy is the sum of potential energy and ______ energy.

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  • 1
    kinetic
    Correct
    Wrong
  • 2
    heat
    Correct
    Wrong
  • 3
    electrical
    Correct
    Wrong
  • 4
    chemical
    Correct
    Wrong
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Answer : 1. "kinetic"
Explanation :

1. Mechanical energy is a combination of kinetic energy and potential energy.

2. Mechanical energy is defined as the sum of kinetic energy and potential energy used to do work on an object.

3. Mechanical energy is the form of energy that is related to the position and motion of an object.

Q:

The method of transmission of heat is- 

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  • 1
    Conduction
    Correct
    Wrong
  • 2
    Convection
    Correct
    Wrong
  • 3
    Radiation
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 4. "All of these"

Q:

The unit of work is

1250 1

  • 1
    Watts
    Correct
    Wrong
  • 2
    Joule
    Correct
    Wrong
  • 3
    Newton
    Correct
    Wrong
  • 4
    ampere
    Correct
    Wrong
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Answer : 2. "Joule"

Q:

Pressure is measured in terms of

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  • 1
    Mass and Density
    Correct
    Wrong
  • 2
    Work done
    Correct
    Wrong
  • 3
    Force and Area
    Correct
    Wrong
  • 4
    Force and Distance
    Correct
    Wrong
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Answer : 3. "Force and Area"

Q:

Archimedes' law is related to which of the following?

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  • 1
    Law of Gravity
    Correct
    Wrong
  • 2
    Law of right angled triangle
    Correct
    Wrong
  • 3
    Law of Flotation
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Law of Flotation"

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