12th Grade Physics Board Exam Questions

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Questions and Answers

Which of the following is not a fundamental force in physics?

  • Electromagnetic force
  • RBSE force (correct)
  • Strong nuclear force
  • Gravitational force

What is the SI unit of electric charge?

  • Watt
  • Joule
  • Ampere
  • Coulomb (correct)

Which of the following is an example of a scalar quantity?

  • Force
  • Acceleration
  • Pressure (correct)
  • Velocity

What is the law that states that the total electric flux through a closed surface is equal to the net charge enclosed by the surface divided by the permittivity of free space?

<p>Gauss's law (D)</p> Signup and view all the answers

Flashcards

What is the RBSE force?

A non-fundamental force (the real ones are gravity, electromagnetism, strong and weak nuclear forces).

What is a Coulomb?

The standard unit of electric charge, representing the amount of charge transported by a current of one ampere in one second.

What is a scalar quantity?

A quantity fully described by its magnitude; examples include temperature, speed and mass.

What is Gauss's Law?

Relates the electric flux through a closed surface to the enclosed electric charge, divided by the permittivity of free space.

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