NEET UG PHYSICS MCQ: MOTION IN PLANE

1 Easy

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Understanding +4 | -1

Which of the following operations is not defined for any vector

\vec{A}

and an integer

n

View answer and explanation

Correct option: D

n+\vec{A}

Option D is correct because adding a scalar (n) to a vector (

\vec{A}

) is not a defined operation in vector algebra.

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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)