# data[].attributes.attachment_link.entities[].name
Transverse and Longitudinal Waves in Physics

# data[].attributes.attachment_link.description
explains the difference between transverse and longitudinal waves - created at http://goanimate.com/

# data[].attributes.attachment_link.title
[1.7] Application of electromagnetic waves

# data[].attributes.body
Some ways that electromagnetic waves are used is to transmit long/ short/ FM wavelength radio waves along with TV/telephone/wireless signals.

electromagnetic waves are also responsible for transmitting energy in the form of microwaves, infrared radiation, visible light, ultraviolet light, X-rays, and gamma rays.

It can even be used for night vision and security cameras.

# data[].attributes.body
Unlike electromagnetic waves require the presence of a material in order to transport their energy from one location to another.It is not capable of transmitting its energy through a vacuum on its own. They require a medium in order to transport its energy from one place to another.

An example of a mechanical wave is a sound wave, they are incapable of traveling through a vacuum it requires a medium in order to exist.

# data[].attributes.body
Electromagnetic waves are waves that travel through the vacuum of outer space. Electromagnetic waves are formed by the vibrations of electric and magnetic fields, these fields are perpendicular to one another in the direction the wave is traveling. Once it is formed the wave travels at the speed of light until it interacts with some type of matter.

An electromagnetic wave can also be described in terms of energy it is measured in units of electron volts (eV) moving along the electromagnetic spectrum from long to short waves, energy increases as the wavelength shortens.

The number of crests that pass a given point within one second is described as the frequency of the wave.