MCQ
A physical quantity is measured and its value is found to be $n u$ where $n=$ numerical value and $u=$ unit. Then which of the following relations is true
  • A
    $n \propto u^2$
  • B
    $n \propto u$
  • C
    $n \propto \sqrt{u}$
  • $n \propto \frac{1}{u}$

Answer

Correct option: D.
$n \propto \frac{1}{u}$
(d) $P=n u \therefore n \propto \frac{1}{u}$

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