Which of the following quantities are dimensionally independent?
I. Dielectric constant II. Momentum III. Efficiency IV. Refractive index
-
A.
I and II -
B.
II, III and IV -
C.
I, II, III and IV -
D.
I, III and IV
Correct Answer: Option D
Explanation
The quantities Efficiency, Dielectric constant and Refractive index are dimensionless.