Physics 1st Paper MCQ-Dinajpur Board-2022

$\vec{A} \cdot \vec{B}$

$\frac{1}{2}|\vec{A} \times \vec{B}|$

$\frac{1}{2}|\vec{A} \cdot \vec{B}|$

$|\vec{A} \times \vec{B}|$

$\vec{\nabla}+\vec{v}=0$

$\vec{\nabla} \cdot \vec{v}=0$

$\vec{\nabla} \cdot \vec{v}=+v e$

$\vec{\nabla} \cdot \vec{v}=-v e$

$0.785 \mathrm{~s}$

$1.57 \mathrm{~s}$

$3.14 \mathrm{~s}$

$6.28 \mathrm{~s}$

$\vec{\tau}=\vec{F} \times \vec{r}$

$\vec{\tau} \equiv \vec{P} \times \vec{r}$

$\vec{\tau}=\overrightarrow{\mathrm{r}} \times \vec{F}$

$\vec{\tau}=\vec{r} \times \vec{p}$

the relative humidity will be high

the relative humidity will be low

dew point will be low

the body will be feel comportable