In this class we will learn about the waves physcis.We will identify waves and understand its physical meanings.we will illustrate the following:
1- waves identifying
2- waves types
3- waves requiremnts
4- mechanical wave requirements
5- electromagnetic waves
6- Why the sound cant be heard at the moon?
7- the periodic time of wave
8- the frequency of the waves
9- What is the wavelength?
10- The relation between the frequency and the wavelength
11- introduction to ligh wave study and this type of waves "light waves" will be studied in detail in the next lesson