The angle between ${\rm{\vec A}}\;\,and\,{\rm{\vec B}}\,is\,\theta $, the value of the triple product ${\rm{\vec A}}{\rm{.\vec B}} \times {\rm{\vec A}}$ is

NEET UG PHYSICS MCQ: MOTION IN PLANE

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Understanding +4 | -1

The angle between

\mathrm{\vec A}\;\,and\,\mathrm{\vec B}\,is\,\theta

, the value of the triple product

\mathrm{\vec A}\mathrm{.\vec B} \times \mathrm{\vec A}

View answer and explanation

Correct option: B

Zero

Option B (Zero) is correct because the triple product of a vector with the cross product of itself and another vector is always zero.

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

\mathrm{\vec a}\,and\,\mathrm{\vec b}

\overrightarrow P \,\,.\,\,\overrightarrow Q = 0\,and\,\overrightarrow P \,\, \times \,\,\overrightarrow Q = 0

\overrightarrow Q \,and\,\overrightarrow R

\vec{A}=3 \hat{i}+4 \hat{j}

\vec{B}=6 \hat{i}+8 \hat{j}

A

B

\overrightarrow{\mathrm{A}}

\overrightarrow{\mathrm{B}}

{\cot ^{ - 1}}\left( 2 \right)