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Vector Algebra question

2023 · 24 Jan · Shift 2 · Q62

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PYQ Library
JEE Main
Physics
Vector Algebra
2023 · 24 Jan · Shift 2 · Q62

Vector Algebra question

2023 · 24 Jan · Shift 2 · Q62

JEE MainPhysicsVector AlgebraMCQ+4 / −1

If two vectors

\overrightarrow P = \widehat i + 2m\widehat j + m\widehat k

and

\overrightarrow Q = 4\widehat i - 2\widehat j + m\widehat k

are perpendicular to each other. Then, the value of m will be :

A
$-1$
B
3
C
1
D
2

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