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Vector Algebra question

2022 · 28 Jul · Shift 1 · Q64

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JEE Main
Physics
Vector Algebra
2022 · 28 Jul · Shift 1 · Q64

Vector Algebra question

2022 · 28 Jul · Shift 1 · Q64

JEE MainPhysicsVector AlgebraNumerical+4 / −1

If the projection of

2 \hat{i}+4 \hat{j}-2 \hat{k}

on

\hat{i}+2 \hat{j}+\alpha \hat{k}

is zero. Then, the value of

\alpha

will be

\underline{\hspace{2cm}}

.

Numerical answer

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