Selected MCQ

Current Question
In a non-inertial rotating frame, the Coriolis force acting on a particle is proportional to:
  • A. Velocity squared
  • B. Angular velocity cross velocity
  • C. Mass only
  • D. Displacement
Correct Answer: B
Explanation:
Coriolis force is given by (2m(\vec{\Omega} \times \vec{v})).
Related Question 1
Which force acts on charged particles?
  • A. Gravitational
  • B. Magnetic
  • C. Electric
  • D. Nuclear
Correct Answer: C
Explanation:
Electric force acts on charges.
Related Question 2
Which particle experiences all four fundamental forces?
  • A. Electron
  • B. Proton
  • C. Neutrino
  • D. Photon
Correct Answer: B
Explanation:
Proton interacts via strong, weak, EM, and gravity.
Related Question 3
A particle in a one-dimensional infinite potential well has energy proportional to:
  • A. (n)
  • B. (n^2)
  • C. (1/n)
  • D. (\ln n)
Correct Answer: B
Explanation:
Energy levels scale as (n^2) in a particle-in-a-box model.
Related Question 4
Which particle mediates electromagnetic force?
  • A. Gluon
  • B. Photon
  • C. W boson
  • D. Higgs
Correct Answer: B
Explanation:
Photons are force carriers of EM interaction.
Related Question 5
Which frame is non-inertial?
  • A. Constant velocity frame
  • B. Rotating frame
  • C. Free-fall frame
  • D. Spacecraft coasting
Correct Answer: B
Explanation:
Rotating frames experience fictitious forces.