Selected MCQ

Current Question
Which equation describes wave speed?
  • A. (v = f\lambda)
  • B. (v = at)
  • C. (v = u + at)
  • D. (v = s/t)
Correct Answer: A
Explanation:
Wave speed equals frequency times wavelength.
Related Question 1
Which wave shows polarization?
  • A. Sound
  • B. Light
  • C. Water
  • D. Seismic
Correct Answer: B
Explanation:
Only transverse waves polarize.
Related Question 2
Which wave travels in vacuum?
  • A. Sound
  • B. Water
  • C. Light
  • D. Seismic
Correct Answer: C
Explanation:
Light does not require medium.
Related Question 3
Which equation governs fluid motion?
  • A. Schrödinger
  • B. Navier–Stokes
  • C. Maxwell
  • D. Dirac
Correct Answer: B
Explanation:
Navier–Stokes describes fluid dynamics.
Related Question 4
Which instrument measures wind speed?
  • A. Hygrometer
  • B. Anemometer
  • C. Barometer
  • D. Thermometer
Correct Answer: B
Explanation:
Anemometer measures wind velocity.
Related Question 5
Which wave shows diffraction?
  • A. Light
  • B. Sound
  • C. Water
  • D. All
Correct Answer: D
Explanation:
All waves diffract.