MCQ
यदि शून्येतर सदिश $\vec{a}$ का परिमाण '$a$' है और $\lambda$ एक शून्येतर अदिश है तो $\lambda \vec{a}$ एक मात्रक सदिश है यदि
  • A
    $\lambda=1$
  • B
    $\lambda=-1$
  • C
    $a=|\lambda|$
  • $a=\frac{1}{|\lambda|}$

Answer

Correct option: D.
$a=\frac{1}{|\lambda|}$
D

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