What are mechanical, electromagnetic and matter waves ? Give an example of each type.

What are matter waves ?

What is an electromagnetic wave ?

What is a mechanical wave ?

Give one example of each type of dopants.

What oscillates in electromagnetic waves ?

(a) what are the three general classes of matter ? Give one example of each type. (b) Draw a flow-chart for the schemtic resestation of different types of matter.

What are emulsions ? What are their different types ? Give an example of each type ?

What are the basic sources of electromagnetic waves?