MCQ
Curies law can be written as
- A$\chi \propto (T - {T_c})$
- B$\chi \propto \frac{1}{{T - {T_c}}}$
- ✓$\chi \propto \frac{1}{T}$
- D$\chi \propto T$
✓
Answer
Correct option: C.
$\chi \propto \frac{1}{T}$
c
According to Curie's law $x \propto \frac{1}{T}$
According to Curie's law $x \propto \frac{1}{T}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Two waves are said to be coherent :
How much positive and negative charge is there in a cup of water $(250\;gm)$?
→A light ray is incident by grazing one of the face of a prism and after refraction ray does not emerge out, what should be the angle of prism while critical angle is $C$
→What is the valence electron in alkali metal?
When light is incident on a medium at angle $i$ and refracted into a second medium at an angale $r,$ the graph of $\sin i$ vs $\sin r$ is as shown in the graph. From this, one can conclude that is as shown in the graph. From this, one can conclude that :-
→$(a)$ Velocity of light in the second medium is $1.73$ times the velocity of light in the $I$ medium
$(b)$ Velocity of light in the $I$ medium is $1.73$ times the velocity in the $II$ medium
$(c)$ The critical angle for the two media is given by $\sin \,{i_c}\, = \,\frac{1}{{\sqrt 3 }}$
$(d)$ $\sin \,{i_c}\, = \,\frac{1}{2}$
The refractive index of water and glass with respect to air is 1.3 and 1.5 respectively. Then the refractive index of glass with respect to water is
A tangent galvanometer has a coil with $50$ $turns$ and radius equal to $4$ $cm$. A current of $0.1 $ $A$ is passing through it. The plane of the coil is set parallel to the earth's magnetic meridian. If the value of the earth's horizontal component of the magnetic field is $7 \times {10^{ - 5}}$ $tesla$ and ${\mu _0} = 4\pi \times {10^{ - 7}}\, weber/amp \times m$, then the deflection in the galvanometer needle will be.....$^o$
→The variation of applied potential and current flowing through a given wire is shown in figure. The length of wire is $31.4 \,cm$. The diameter of wire is measured as $2.4 \,cm$. The resistivity of the given wire is measured as $x \times 10^{-3} \,\Omega cm$. The value of $x$ is_______ [Take $\pi=3.14]$
→The current required to be passed through a solenoid of $15\,cm$ length and 60 turns in order to demagnetise a bar magnet of magnetic intensity $2.4 \times 10^3\,Am ^{-1}$ is $.........A$.
→The objective glass of a telescope is an achromat of focal length $90\,cm$ . The magnitude of dispersive power of the two lenses are $0.024$ and $0.036$ . The focal lengths are
→