KCET 2025 Physics Paper

The correct choice is Option D.
- Diamagnetic materials develop an induced magnetic moment opposite to an applied field, so their volume susceptibility is small and negative ( X<0 ).
- They're actually repelled (not attracted) by a magnet.
- Their permeability µ is just below 1 (not as high as 1000).
- And unlike paramagnets, their susceptibility is essentially independent of temperature.