If the projection of....|Mathematical Tools|JEEMAIN2022

JEE Main 2022

S1_2807

Question

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

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JEE Main

Physics

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