If $\vec{a}$ and $\vec{b}$ are perpendicular to each other then (A) $\vec{a} \cdot \vec{b}=0$ (B) $\vec{a} \times \vec{b}=\overrightarrow{0}$ (C) $\vec{a}+\vec{b}=\overrightarrow{0}$ (D) $\vec{a}-\vec{b}=0$ - Noon Academy

If $\vec{a}$ and $\vec{b}$ are perpendicular to each other then (A) $\vec{a} \cdot \vec{b}=0$ (B) $\vec{a} \times \vec{b}=\overrightarrow{0}$ (C) $\vec{a}+\vec{b}=\overrightarrow{0}$ (D) $\vec{a}-\vec{b}=0$

Maths | Previous Year Question Papers

If $\vec{a}$ and $\vec{b}$ are perpendicular to each other then (A) $\vec{a} \cdot \vec{b}=0$ (B) $\vec{a} \times \vec{b}=\overrightarrow{0}$ (C) $\vec{a}+\vec{b}=\overrightarrow{0}$ (D) $\vec{a}-\vec{b}=0$

Sol.
Correct option is (A). $\vec{a} \cdot \vec{b}=0$

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