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$\vec{P} + \vec{Q}$ is a unit vector along x-axis. If $\vec{P} = \hat{i} - \hat{j} + \hat{k}$ , then what is Q?

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i^+j^−k^

j^−k^

i^+j^+k^

j^+k^

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detailed solution

Correct option is B

Given P→ +Q→ = i^⇒i^−j^+k^+Q→ =i ⇒Q→ = j^−k^

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P→+Q→ is a unit vector along x-axis. If P→ = i^−j^+k^, then what is Q?

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

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$\vec{P} + \vec{Q}$ is a unit vector along x-axis. If $\vec{P} = \hat{i} - \hat{j} + \hat{k}$ , then what is Q?