Dot product of two mutual perpendicular vector is

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3-1.Vectors

easy

Dot product of two mutual perpendicular vector is

A

$0$

B

$1$

C

$\infty$

D

None of these

Solution

(a) It is zero. Let $P$ and $Q$ be mutually perpendicular so their dot product would be equal to $-> $

$\mathrm{PQ} \cos 90=\mathrm{PQ}(0)=>0$

Standard 11

Physics

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