Magnetic Properties of Substances Video Lecture | CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

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FAQs on Magnetic Properties of Substances Video Lecture - CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

1. What are the different types of magnetic properties exhibited by substances?
Ans. Substances can exhibit paramagnetic, diamagnetic, ferromagnetic, antiferromagnetic, or ferrimagnetic properties depending on their atomic or molecular structure.
2. How do paramagnetic substances respond to an external magnetic field?
Ans. Paramagnetic substances have unpaired electrons that align with an external magnetic field, causing them to be weakly attracted to the field.
3. What is the difference between ferromagnetic and antiferromagnetic materials?
Ans. Ferromagnetic materials have permanent magnetic moments that align parallel to each other, while antiferromagnetic materials have magnetic moments that align antiparallel to each other, resulting in a cancellation of the overall magnetic moment.
4. How can the Curie temperature affect the magnetic properties of a substance?
Ans. The Curie temperature is the temperature at which a material loses its magnetic properties. Above this temperature, the substance behaves as a paramagnetic material, while below it, it exhibits ferromagnetic properties.
5. Can the magnetic properties of a substance be manipulated by changing its temperature?
Ans. Yes, the magnetic properties of a substance can be altered by changing its temperature. For example, heating a ferromagnetic material above its Curie temperature can cause it to lose its magnetic properties and become paramagnetic.
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