alleryThe position vector of a point $P(x,y,z)$ with respect to the origin is:
A$\hat{i}+\hat{j}+\hat{k}$
B$x+y+z$
C$x\hat{i}+y\hat{j}+z\hat{k}$
D$\sqrt{x^2+y^2+z^2}$
Answer & Solution
Correct answer: C. $x\hat{i}+y\hat{j}+z\hat{k}$
The position vector of P(x,y,z) is xî + yĵ + zk̂.
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Related questions
The magnitude of the vector $\hat{i}+\hat{j}+\hat{k}$ is:For any vector $\vec a$, the dot product $\vec a\cdot\vec a$ equals:The value of $\hat{i}\times\hat{j}$ is:The dot product of $(2\hat{i}+3\hat{j}+\hat{k})$ and $(\hat{i}-\hat{j}+\hat{k})$ is:The unit vector in the direction of $3\hat{i} + 4\hat{j}$ is:Two non-zero vectors $\vec a$ and $\vec b$ are perpendicular if and only if:The magnitude of the cross product $|\vec{a}\times\vec{b}|$ equals:The value of $\hat{i}\cdot\hat{j}$ is: