Match the types of colloidal systems given in Column I with the name given in Column II.
| Solid in liquid | Gel |
| Liquid in solid | Sol |
| Liquid in liquid | Emulsion |
| Gas in liquid | Foam |
Assertion and Reason related to magnetic lines of force are given below.
Assertion: Magnetic lines of force do not intersect each other.
Reason :At the point of intersection, the magnetic field will have two directions.
Choose the correct option:
Which of the following statements are correct for cathode rays?