| ASSERTION: The ferromagnetic substances do not obey curie's law. |
| REASON: At Curie point a ferromagnetic substance starts behaving as a paramagnetic substance. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
The susceptibility of ferromagnetic substance decreases with the rise of temperature in a complicated manner. After Curries point, the susceptibility of ferromagnetic substance varies inversely with its absolute temperature. Ferromagnetic substance Obey's Curie's law only above its curie point.
You need to login to perform this action.
You will be redirected in
3 sec
