NEET UG PHYSICS MCQ: MOTION IN PLANE

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Application +4 | -1

The area of a parallelogram whose adjacent sides are given by vectors

\vec A = \hat i - 2\hat j + 3\hat k

and

\vec B = 4\hat i + 5\hat j

View answer and explanation

Correct option: D

\sqrt {538}

Option D (

\sqrt {538}

) is correct because the area of a parallelogram formed by two vectors is the magnitude of their cross product.

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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)