If $\vec P = \vec Q$ then which of the following is NOT correct
If $\vec P = \vec Q$ then which of the following is NOT correct
- A
$\hat P = \hat Q$
- B
$|\,\vec P\,|\, = \,|\,\vec Q\,|$
- C
$P\hat Q = Q\hat P$
- D
$\vec P + \vec Q = \hat P + \hat Q$
Similar Questions
The change in a vector may occur due to .....
The change in a vector may occur due to .....
Identify the vector quantity among the following
Identify the vector quantity among the following
- [AIPMT 1997]
How can we represent vector quantity ?
How can we represent vector quantity ?
A vector has a magnitude $x$. If it is rotated by an angle $\theta$, then magnitude of change in vector is $n x$. Match the following two columns.
Colum $I$
Colum $II$
$(A)$ $\theta=60^{\circ}$
$(p)$ $n=\sqrt{3}$
$(B)$ $\theta=90^{\circ}$
$(q)$ $n=1$
$(C)$ $\theta=120^{\circ}$
$(r)$ $n=\sqrt{2}$
$(D)$ $\theta=180^{\circ}$
$(s)$ $n=2$
| Colum $I$ | Colum $II$ |
| $(A)$ $\theta=60^{\circ}$ | $(p)$ $n=\sqrt{3}$ |
| $(B)$ $\theta=90^{\circ}$ | $(q)$ $n=1$ |
| $(C)$ $\theta=120^{\circ}$ | $(r)$ $n=\sqrt{2}$ |
| $(D)$ $\theta=180^{\circ}$ | $(s)$ $n=2$ |
The angle between vectors $\vec a$ and $\vec b$ is $\frac{\pi }{6}$. The angle between vectors $ - 3\vec a$ and $ 2\vec b$ is
The angle between vectors $\vec a$ and $\vec b$ is $\frac{\pi }{6}$. The angle between vectors $ - 3\vec a$ and $ 2\vec b$ is