Selected MCQ

Current Question
A black hole’s event horizon radius is proportional to:
  • A. Charge only
  • B. Mass
  • C. Temperature
  • D. Spin only
Correct Answer: B
Explanation:
Schwarzschild radius depends directly on mass.
Related Question 1
Which law governs blackbody radiation spectrum?
  • A. Newton’s law
  • B. Planck’s law
  • C. Boyle’s law
  • D. Hooke’s law
Correct Answer: B
Explanation:
Planck’s law describes spectral energy distribution.
Related Question 2
The Compton wavelength is inversely proportional to:
  • A. Charge
  • B. Mass
  • C. Velocity
  • D. Frequency
Correct Answer: B
Explanation:
(\lambda = h/mc), inversely dependent on mass.
Related Question 3
The Schwarzschild radius depends on which parameter?
  • A. Charge only
  • B. Angular momentum only
  • C. Mass of object
  • D. Temperature
Correct Answer: C
Explanation:
Event horizon radius is proportional to mass.
Related Question 4
Which vitamin prevents scurvy?
  • A. A
  • B. B
  • C. C
  • D. D
Correct Answer: C
Explanation:
Vitamin C deficiency causes scurvy.
Related Question 5
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})).