MCQ
Dot product of two mutual perpendicular vector is
- ✓$0$
- B$1$
- C$\infty$
- DNone of these
✓
Answer
Correct option: A.
$0$
a
(a) It is zero. Let $P$ and $Q$ be mutually perpendicular so their dot product would be equal to $-> $
(a) It is zero. Let $P$ and $Q$ be mutually perpendicular so their dot product would be equal to $-> $
$\mathrm{PQ} \cos 90=\mathrm{PQ}(0)=>0$
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