Electromagnetic Spectrum

Question 1

List the EM spectrum

Answer 1

Radio Waves, Microwaves, Infrared, Visible Light, Ultra Violet light, X rays, Gamma rays

Question 2

What happens to the frequency as you go up the EM spectrum

Answer 2

The freqeuncy increases

Question 3

What happens to the wavelength as you go up the EM spectrum

Answer 3

The wavelength decreases

Question 4

What are the uses of Gamma rays

Answer 4

medical imaging and therapy, astronomy, sterilisation and food preservation

Question 5

What are the uses of X rays

Answer 5

Low-energy X-rays are used for medical and industrial imaging.
High-energy X-rays are used to treat cancer.
X-rays are also used for security purposes to detect weapons in airports (and other places).