Physics And Measurement Question 340

Question: If u1 and u2 are the units selected in two systems of measurement and n1 and n2 their numerical values, then

[SCRA 1986]

Options:

A) n1u1=n2u2

B) n1u1+n2u2=0

C) n1n2=u1u2

D) (n1+u1)=(n2+u2)

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Answer:

Correct Answer: A

Solution:

Physical quantity (p) = Numerical value (n) × Unit (u) If physical quantity remains constant then n µ 1/u \ n1u1 = n2u2 .



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