Physics - Electromagnetic Spectrum

Question 1

Name a use, Source, Detector and Hazard for Radio waves.

Answer 1

Use: Communication and TV
Source: Space
Detector: Ariel and radio telescope
Hazard: None

Question 2

Name a use, Source, Detector and Hazard for Microwaves.

Answer 2

Use: Cooking food and phone
Source: Space and phones
Detector: Ariel
Hazard: None

Question 3

Name a use, Source, Detector and Hazard for Infrared.

Answer 3

Use: Night vision, TV remote control and to keep food warm
Source: Any hot object
Detector: Thermometer and thermal camera
Hazard: Burn yourself

Question 4

Name a use, Source, Detector and Hazard for Visible light.

Answer 4

Use: Human vision and Photography
Source: The sun
Detector: Human eyes
Hazard: Blindness ( if concentrated)

Question 5

Name a use, Source, Detector and Hazard for Ultraviolet.

Answer 5

Use: Tanning Bed and Detecting forged bank notes
Source: The sun
Detector: Fluorescent materials
Hazard: Sun burn and Skin cancer

Question 6

Name a use, Source, Detector and Hazard for X-ray.

Answer 6

Use: Security and Medical
Source: Cathode ray tube
Detector: Photographic film
Hazard: Damage cells

Question 7

Name a use, Source, Detector and Hazard for Gamma rays.

Answer 7

Use: Tracers and Sterilisations
Source: Rocks and space
Detector: Geiger counter and Gamma Cam
Hazard: Poisoning and Death