Question

1. Light always travels in________

2. The propagation of light is called ______propagation of light.

3. The objects that are attracted to the magnet are called _____

4.The objects that are not attracted to the magnet are called_____

5. List any two magnetic substances ______,_______​

Answer 1

1. rectilinear
2. rectilinear propagation
3. magnetic objects
4. non-magnetic objects
5. iron and steel

Answer 2

1. Light always travels in straight lines.

2. The propagation of light is called rectilinear propagation.

3. The objects that are attracted to the magnet is called ferromagnetic.

4. The objects that are not attracted to the magnet are called non-magnetic.

5. Aluminium and coppers are two magnetic substances.