Easy
Assertion : Diamagnetic materials can exhibit magnetism.
Reason : Diamagnetic materials have permanent magnetic dipole moment.
Reason : Diamagnetic materials have permanent magnetic dipole moment.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
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Identify the paramagnetic substance.
Easy
View SolutionAn example of a perfect diamagnet is a superconductor. This implies that when a superconductor is placed in an external magnetic field of intensity $B$,the magnetic field $B_s$ inside the superconductor will be such that
Curie temperature is the temperature above which:
Medium
View SolutionThe materials having negative magnetic susceptibility are
Statement $I :$ The ferromagnetic property depends on temperature. At high temperature,a ferromagnet becomes a paramagnet.
Statement $II :$ At high temperature,the domain wall area of a ferromagnetic substance increases.
In the light of the above statements,choose the most appropriate answer from the options given below :
Statement $II :$ At high temperature,the domain wall area of a ferromagnetic substance increases.
In the light of the above statements,choose the most appropriate answer from the options given below :
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