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Diamagnetic, Paramagnetic, Ferromagnetic & Antiferromagnetic Video Lecture | CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

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FAQs on Diamagnetic, Paramagnetic, Ferromagnetic & Antiferromagnetic Video Lecture - CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science

1. What is the difference between diamagnetic, paramagnetic, ferromagnetic, and antiferromagnetic materials?
Ans. Diamagnetic materials have all paired electrons, creating no net magnetic moment; paramagnetic materials have unpaired electrons, creating a net magnetic moment; ferromagnetic materials have unpaired electrons that align in the same direction, creating a strong magnetic moment; antiferromagnetic materials have unpaired electrons that align in opposite directions, resulting in a canceled magnetic moment.
2. How can we classify materials as diamagnetic, paramagnetic, ferromagnetic, or antiferromagnetic?
Ans. Materials can be classified based on their response to an external magnetic field. Diamagnetic materials are weakly repelled, paramagnetic materials are weakly attracted, ferromagnetic materials are strongly attracted and can retain magnetization, and antiferromagnetic materials have alternating magnetic moments that cancel each other out.
3. What are some examples of diamagnetic materials?
Ans. Examples of diamagnetic materials include bismuth, copper, gold, and water. These materials have all paired electrons, leading to a weak repulsion in the presence of a magnetic field.
4. Can materials exhibit more than one type of magnetic behavior?
Ans. Yes, some materials can exhibit a combination of magnetic behaviors depending on temperature and external conditions. For example, iron can exhibit ferromagnetic behavior at room temperature but may transition to paramagnetic at higher temperatures.
5. How do magnetic properties affect the applications of materials in various industries?
Ans. Understanding the magnetic properties of materials is crucial for applications in industries such as electronics, telecommunications, and healthcare. For instance, ferromagnetic materials are used in data storage devices, while diamagnetic materials are utilized in magnetic resonance imaging (MRI) machines.
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