Chemistry: Uses of the electromagnetic waves in our daily life

Chemistry: Uses of the electromagnetic waves in our daily life

 

Radio: A radio basically captures radio waves that are transmitted by radio stations. Radio waves can also be emitted by gases and stars in space. Radio waves are mainly used for TV/mobile communication.

Microwave: This type of radiation is found in microwaves and helps in cooking at home/office. It is also used by astronomers to determine and understand the structure of nearby galaxies and stars.

Infrared: It is used widely in night vision goggles. These devices can read and capture the infrared light emitted by our skin and objects with heat. In space, infrared light helps to map the interstellar dust.

X-ray: X-rays can be used in many instances. For example, a doctor can use an x-ray machine to take an image of our bone or teeth. Airport security personnel use it to see through and check bags. X-rays are also given out by hot gases in the universe.

Gamma-ray: It has a wide application in the medical field. Gamma-ray imaging is used to see inside our bodies. Interestingly, the universe is the biggest gamma-ray generator of all.

Ultraviolet: Sun is the main source of ultraviolet radiation. It causes skin tanning and burns. Hot materials that are in space also emit UV radiations.

Visible: Visible light can be detected by our eyes. Light bulbs, stars, etc. emit visible light.

Spectroscopy:

Spectroscopy is used to study the way different electromagnetic waves interact with the matter.

 

Applications of Electromagnetic Waves

• The radio waves and microwaves discovered by Hertz paved the way for wireless television and radio and mobile communication.
• The visible light portion of the electromagnetic spectrum is the reason for all visual aids in daily life. This is the portion of the electromagnetic spectrum which helps us to see all the objects, including the colours.
• The X-rays discovered by Roentgen proved to be useful in medicine for detecting many ailments or deformities in bones.
• The high ultraviolet radiation has energies to ionize the atoms causing chemical reactions.
• The gamma rays discovered by Paul Villard are useful for ionization purposes, and for nuclear medicine.