Q15. When you charge your cell phone you use a special plug. What is this device called,

what does it do, and why is it necessary?

Types of Waves

As we think of waves, there are several terms that come to our minds that we recognize from everyday life

sound waves

light waves

water waves

earthquake waves

microwaves

radio waves

wavelength

amplitude of a wave

period of a wave

frequency of a wave

wave propagation

standing wave

sinusoidal waves

rectangular waves

longitudinal waves

transverse waves

As scientists, we look for ways to categorin waves and combine those types of waves together that have similar characteristics