3-1.Vectors
easy

જો $\vec{P}+\vec{Q}=\vec{P}-\vec{Q}$, હોય તો,

A

$\vec{P}=\overrightarrow{0}$

B

$\vec{Q}=\overrightarrow{0}$

C

$|\vec{P}|=1$

D

$|\vec{Q}|=1$

Solution

(b) $\vec{P}+\vec{Q} =\vec{P}-\vec{Q}$

$\Rightarrow \vec{Q} =0$

Standard 11
Physics

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