Studied by 0 peopleWhat is the electromagnetic spectrum?
Radio waves
Microwaves
Infrared
Visible light
Ultraviolet
X-rays
Gamma rays
What do all electromagnetic waves have in common?
Travel at the same speed in free space
What are the uses of radio waves?
Broadcasting and communication
What are the uses of microwaves?
Cooking and satellite transmissions
What are the uses of infrared radiation?
Heaters and night vision equipment
What are the uses of x-rays?
Observing internal structure of objects and materials, including medical applications
What are the uses of gamma rays?
Sterilising food and medical equipment
What are the dangers of microwaves?
Internal heating of body tissue
What are the dangers of infrared radiation?
Skin burns
What are the dangers of ultraviolet radiation?
Damage to surface cells and blindness
What are the dangers of gamma rays?
Cancer and mutation
What are the uses of visible light?
Optical fibres and photography
What are the uses of ultraviolet?
Fluorescent lamps
Note
Flashcard