NEET UG PHYSICS MCQ: MOTION IN PLANE

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Understanding +4 | -1

\overrightarrow A

is a vector quantity such that

\left| {\overrightarrow A } \right| = \,

non-zero constant. Which of the following expression is true for

\overrightarrow A

View answer and explanation

Correct option: C

\overrightarrow A \times \overrightarrow A = 0

Option C is correct because the cross product of a vector with itself is always the zero vector.

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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)