NEET UG PHYSICS MCQ: MOTION IN PLANE

1 Easy

1 of 1

Application +4 | -1

\mathbf{A} \cdot \mathbf{B}=\mathbf{A} \times \mathbf{B}

, then angle between

\mathbf{A}

and

\mathbf{B}

View answer and explanation

Correct option: A

45^{\circ}

Option A (

45^{\circ}

) is correct because when the magnitudes of the dot product and cross product are equal, the angle between the vectors is 45 degrees.

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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)