If two vectors P = i + 2m j + m k and Q = 4 i - 2 j + m k are perpendicular to each other. Then, the value of m will be:

Kinematics: JEE Main 2023 Physics question

JEE Main 2023 · 24 Jan, Evening shift · Q8375

JEE Main 202324 Jan, Evening shiftPhysicsMediumKinematics177× since 2002

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 :

JEE Main 2023 · 24 Jan, Evening shift · Q8375

JEE Main 202324 Jan, Evening shiftPhysicsMediumKinematics177× since 2002

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 :