Assignment Set-2

Two magnets of equal magnetic moments $M$ each are placed as shown in figure below. The resultant magnetic moment is $M.$ Then value of $\theta$ is

${\chi }_1$ 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 _____

For a paramagnetic substance

Which of the following is incorrect?