1. | diamagnetism only |
2. | ferromagnetism only |
3. | paramagnetism only |
4. | both paramagnetism and diamagnetism |
Statement I: | All paramagnetic substances become diamagnetic as their temperature is lowered. |
Statement II: | All ferromagnetic substances become paramagnetic when their temperature is lowered. |
1. | Statement I is incorrect and Statement II is correct. |
2. | Both Statement I and Statement II are correct. |
3. | Both Statement I and Statement II are incorrect. |
4. | Statement I is correct and Statement II is incorrect. |
1. | \(\frac{MB}{F}\) | 2. | \(\frac{BF}{M}\) |
3. | \(\frac{MF}{B}\) | 4. | \(\frac{F}{MB}\) |
Assertion (A): | Magnetic susceptibility is a pure number. |
Reason (R): | The value of magnetic susceptibility for vacuum is one. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |