Q. Projection of $\overrightarrow{P}$ on $\overrightarrow{Q}\ $is
A) $\overrightarrow{P} \bullet \widehat{Q}$
B) $\widehat{p} \bullet \overrightarrow{Q}$
C) $\overrightarrow{P} \times \widehat{Q}$
D) $\overrightarrow{P} \times \overrightarrow{Q}$
Explanation
(b) Projection of $\overrightarrow{P}$ on $\overrightarrow{Q}$ is $Pcos\theta$
$Pcos\theta = \frac{PQcos\theta}{Q} = \frac{\overrightarrow{P} \bullet \overrightarrow{Q}}{Q} = \overrightarrow{P} \bullet \overrightarrow{Q}$
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.