Which of the following quantities are dimensionally independent?

I. Dielectric constant II. Momentum III. Efficiency IV. Refractive index

  • A Dielectric constant II. Momentum III. Efficiency IV. Refractive index
  • B I and II
  • C II, III and IV
  • D I, II, III and IV
  • E I, III and IV
waec 2018physics

The correct answer is D. I, II, III and IV

The quantities Efficiency, Dielectric constant and Refractive index are dimensionless.

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