Selected MCQ

Current Question
Which energy is motion?
  • A. Potential
  • B. Thermal
  • C. Kinetic
  • D. Chemical
Correct Answer: C
Explanation:
Motion defines kinetic energy.
Related Question 1
Which energy source is sustainable?
  • A. Coal
  • B. Oil
  • C. Solar
  • D. Gas
Correct Answer: C
Explanation:
Solar is sustainable.
Related Question 2
The partition function (Z) is related to Helmholtz free energy (F) by:
  • A. (F = kT \ln Z)
  • B. (F = -kT \ln Z)
  • C. (F = Z/kT)
  • D. (F = k/Z)
Correct Answer: B
Explanation:
Helmholtz free energy derives from partition function logarithm.
Related Question 3
Which energy is stored?
  • A. Kinetic
  • B. Potential
  • C. Thermal
  • D. Light
Correct Answer: B
Explanation:
Potential energy is stored.
Related Question 4
Which constant defines thermal energy scale?
  • A. Planck constant
  • B. Boltzmann constant
  • C. Avogadro number
  • D. Gas constant
Correct Answer: B
Explanation:
(k_B) relates temperature to energy.
Related Question 5
Which equation governs fluid motion?
  • A. Schrödinger
  • B. Navier–Stokes
  • C. Maxwell
  • D. Dirac
Correct Answer: B
Explanation:
Navier–Stokes describes fluid dynamics.