EM spectrum Flashcards
(19 cards)
What does the EM spectrum stand for
The electromagnetic spectrum
The EM spectrum is made up of different types of …
Radiation waves
What are the 7 main types of radiation waves
Gamma X-ray UV Visible Infa red Microwave Radio
What is the pneumonic to help remember these rays
Good - Gamma X-men - X-ray Understand - UV Very - Visible Important- Infa red Mission - Microwave Reports - Radio
Used in medicine and radio therapy. Can destroy living cells and causes cancer
Gamma
Used to examine most areas of the body mainly for bones and joints. Increases the risk of cancer
X-ray
Used in dental practices to kill bacteria and create florescent light. An causes retinal damage and cataracts.
UV
Used to help us see. Can damage receptor cells and cause blindness
Visible
Used in electric heaters and cookers. Can cause retina and cornea damage
Infa red
Used in point to point communication. Can cause bad burns and heats up body like it cooks food
Microwave
Used for communication such as TV and broadcasting. Can harm brain cells
Radio
What types of rays cannot be seen by our eyes
Gamma Radio Infa red UV Microwave
Can causes a sun tan
UV
Can pass through metals
Electromagnetic
Is emitted by warm objects
Infa red
Can be seen by your eye
Visible
Often used for communication
Radio
How far do waves travel in one second
299,792,458 meters
What rays can be harmful to life
X rays
Gamma
Ultraviolet in large amounts
Radio
