What Are The 7 Electromagnetic Waves?


What are the uses of the 7 electromagnetic waves?

Radio waves are used for communications and radar. Microwaves are used to cook your food. Infrared waves are used in remote controls and are emitted from all warm objects, allowing them to be used to create heat-sensitive cameras.

What are the 7 types of electromagnetic waves from largest to smallest?

The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays. To tour the electromagnetic spectrum, follow the links below!

What are the wavelengths of the electromagnetic spectrum?

Visible light has a wavelength range from ~400 nm to ~700 nm.

The EM spectrum.

Type of RadiationFrequency Range (Hz)Wavelength Range
x-rays1017 – 10201 nm – 1 pm
ultraviolet1015 – 1017400 nm – 1 nm
visible4 – 7.5*1014750 nm – 400 nm
near-infrared1*1014 – 4*10142.5 μm – 750 nm

4 more rows

What are 6 types of electromagnetic waves?

The different types of electromagnetic radiation shown in the electromagnetic spectrum consists of radio waves, microwaves, infrared waves, visible light, ultraviolet radiation, X-rays, and gamma rays.

How do humans use electromagnetic waves?

All electromagnetic waves move at the speed of light. Examples of electromagnetic waves include radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma rays. Radio waves are used for communications and radar. Microwaves are used to cook your food.

What uses electromagnetic energy?

The electromagnetic spectrum covers a wide range of frequencies from cosmic rays to radio waves. The utility varies widely, for instance, gamma rays are used to destroy tumors, microwaves are used for heating, visible light helps us see, radio waves are used for radio channels.

What is the longest electromagnetic wave?

Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation. Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.

What types of waves exist?

There are three categories:

  • Longitudinal wave *s – Movement of the particles are parallel to the motion of the energy.
  • Transverse wave *s – movement of the particles are at right angles (perpendicular) to the motion of the energy.
  • Surface wave *s – particles travel in a circular motion.

What is the highest frequency?

Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

Which wavelengths are most dangerous to humans?

The most dangerous frequencies of electromagnetic energy are X-rays, gamma rays, ultraviolet light and microwaves. X-rays, gamma rays and UV light can damage living tissues, and microwaves can cook them.

Which color has the highest energy?


Why Light is an electromagnetic wave?

Scientists call them all electromagnetic radiation. The waves of energy are called electromagnetic (EM) because they have oscillating electric and magnetic fields. All EM energy waves travel at the speed of light. No matter what their frequency or wavelength, they always move at the same speed.