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?
Four statements are given regarding the image formed by a concave lens. Find the correct statement(s).
A light beam passing through three mediums P. Q and R is given, by observing the figure, find out the correct statement related to the optical density of the mediums.