NEET UG PHYSICS MCQ: MOTION IN PLANE

1 Easy

1 of 1

Application +4 | -1

Vector

\bar A = 4i + 2j - 3k,\,\,\bar B = 5\bar i + \bar j - 2\bar k

and

\bar C = 3i - j + 2k

. Then

\bar A.\left( {\bar B \times \bar C} \right)

View answer and explanation

Correct option: B

-8

Option B (-8) is correct because it is the scalar triple product of the three vectors.

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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)