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$R$ is the resultant of two vectors $\bar{P} and \bar{Q}$ . If $R$ makes an angle of $90^{0}$ with $\bar{P}$ and $30^{0}$ with $\bar{Q}$ , then the ratio $|\bar{P}| : |\bar{Q}|$ is

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Correct option is D

Vectors are added by parallelogram law. Note that the angle between the vectors P¯ and Q¯ is 1200.

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R is the resultant of two vectors P¯ and Q¯ . If R makes an angle of 900 with P¯ and 300 with Q¯ , then the ratio P¯ : Q¯ is

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Ready to Test Your Skills?

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$R$ is the resultant of two vectors $\bar{P} and \bar{Q}$ . If $R$ makes an angle of $90^{0}$ with $\bar{P}$ and $30^{0}$ with $\bar{Q}$ , then the ratio $|\bar{P}| : |\bar{Q}|$ is