Diamagnetism
Trending Questions
Q.
Explain the curie-Weiss theory in detail.
Q. A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in a uniform magnetic field B. Then the field inside the paramagnetic substance is:
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1352668/original_0001.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1352668/original_0001.png)
- more than |→B| and parallel to →B.
- Zero
- less than |→B| and parallel to →B.
- less than |→B| and anti-parallel to →B.
Q. Following plots show magnetization (M) vs magnetizing field (H) and magnetic susceptibility (χ) vs temperature (T) graphs :
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1683972/original_1.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1683973/original_2.png)
Which of the following combinations will be represented by a diamagnetic material?
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1683972/original_1.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1683973/original_2.png)
Which of the following combinations will be represented by a diamagnetic material?
- (b), (d)
- (a), (c)
- (b), (c)
- (a), (d)