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WASSCE
Which of the following quantities are dimensionally independent?
I. dielectric constant
II. momentum
III. efficiency
IV. refractive index
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
Answer: D
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