Assignment Set-2

${\chi }_1$ and ${\chi }_2$ are susceptibility of a diamagnetic substance at temperature, $T_1 \mathrm{K}$ and $T_2 \mathrm{K}$ respectively. Then

The magnetic moment of a diamagnetic substance in the absence of external magnetic field is

Domains for motion is not necessary feature of

Area under this given curve gives

Two bar magnets having their moment of inertia $I_1 : I_2=2:5$ oscillate in horizontal plane with time periods $T_1$ and $T_2$ as $3 \mathrm{s}$ and $4 \mathrm{s}$ respectively. If ratio of their magnetic moments $\left(\frac{M_1}{M_2}\right)$ is $\frac{N}{45},$ then value of $N$ is _____

The vertical component of earth's magnetic field at a place is $\sqrt{3}$ times the magnitude of horizontal component. The angle (in degree) of dip at the place is _____

For a paramagnetic substance

Which of the following is incorrect?