Electromagnetic Spectrum Flashcards
What has the shortest wave length of the em spectrum
Radio waves
What are microwaves used for
Cooking food and communication with satellites as they are able to pass through the atmosphere
What can ultraviolet be used for
It can be used for checking bank notes, sterilising water and security markings
What are the uses of X-rays
It is used to check broken bones and for airport bag scanners
Which wave has the shortest wavelength on the em spectrum
Gamma rays
Why are gamma rays emitted by
Nuclear waste
What is released by radio active waste
Alpha particles
Beta particles
Gamma rays
What is a danger of microwaves and infrared waves
They both cause burns
What are the dangers of X-rays, gamma rays and ultraviolet
They can cause cell damage and mutations leading to cancer
What is heat
Infrared waves
True or false all em spectrum waves travel at the same speed in a vacuum
If true what is this speed
True
300,000,000 m/s
Which is the most penetrating form of ionising radiation
Gamma rays
