Properties Of Electromagnetic Waves

Question 1

Gamma

Answer 1

Used for radiotherapy, too much can damage DNA which can lead to cancer, used to sterilise medical instruments, has the highest energy

Question 2

X-ray

Answer 2

Used for medical images eg: to see homes as it doesn’t go through bones, can damage DNA, can identify cracks in metal

Question 3

UV

Answer 3

Fluorescent lights, in sunlight, used in tanning sun beds and to check if bank notes are real or not

Question 4

Visible

Answer 4

Mammals can see visible light, photography, Tv/videos, sight etc.. not overly dangerous unless too bright, which can damage retina

Question 5

Infared

Answer 5

Absorbed by skin = heat, used in toasters, grills, to remotes etc.. if too intense can burn but can’t damage DNA or Cancer etc..

Question 6

Microwave

Answer 6

Used in microwaves, mobile phones, radios and to signals etc…