COMEDK20269 May 2026Morning ShiftPhysicsMagnetic Properties of MatterActual
Paramagnetic substances
Options
- AMove from a region of strong magnetic field to weak magnetic field
- BHas susceptibility less than zero
- CAttract strongly towards external magnetic field
- DAlign themselves along the directions of external magnetic field
Correct answer
D. Align themselves along the directions of external magnetic field
Step-by-step solution
Paramagnetic substances have a small positive magnetic susceptibility ( > 0 ) and are weakly attracted by an external magnetic field. They tend to move from a region of weak magnetic field to a region of strong magnetic field. When placed in an external magnetic field, the atomic dipoles of paramagnetic substances align themselves in the direction of the external magnetic field. Answer: Align themselves along the directions of external magnetic field