What are some advantages of Infra Red?
Heating food, treating muscle injuries and can find things if they give off heat
What is used to detect radio waves?
An aerial/antenna
What do you use to detect X-Rays?
Photographic film
What are Gamma Rays used for?
Gamma rays can cure tumours and are used as tracers
What is used to detect Gamma rays?
A Geiger Muller tube (GM tube)
What are the advantages of Ultraviolet?
Tanning, curing vitamin d deficiency and identifying security markings on banknotes
A disadvantage of Ultraviolet
It can give you skin cancer
What is another word for Infra Red?
Heat/Heat radiation
What are radio waves used for?
Radios and televisions
2 Examples of longitudinal waves
Sound and Ultrasound waves
3 examples of transverse waves?
Gamma Rays, Ultraviolet, Infra Red, Microwaves, Radio waves, X-Rays, Visible Light
All radiations in the EM spectrum from longest to shortest wavelength
Radio, Microwave, Infrared, Visible, Ultraviolet, X-Ray, Gamma
(RMIVUXG)
What speed to all EM radiations travel at?
300,000,000 (3*10^8) ms-1
The speed of light
What are Microwaves used for?
Cooking food and Communications
Advantages of X-Rays
Detecting broken bones, scanning luggage at an airport and checking for flaws in metal
Disadvantages of X-Rays?
They can damage living cells
