Electromagnetic spectrum
by Colin Chan
1. Gamma Ray
1.1. Caused by radioactive decay
1.2. Can kill living cells
1.3. Produced during nuclear reactions
1.4. Uses
1.4.1. Cancer treatent
1.4.1.1. eliminate malignant cells
1.4.2. WAvelength:
1.5. Freuqnecy
2. Visible Light
2.1. Red
2.2. Orange
2.3. Yellow
2.4. Green
2.5. Blue
2.6. Indigo
2.7. Violet
2.8. Wavelength: 0.5x10^-6 m
2.9. Frequency: 10^15 Hz
3. Ultraviolet
3.1. Produce Vitamin D in the human body
3.2. Cause skin cancer when used extensively
3.3. Damage the eye
3.4. Uses
3.4.1. UV Sterilizer
3.5. Wavelenght: 10^-8m
3.6. Frequency: 10^16Hz
4. X Ray
4.1. Can passs through many materials
4.2. Uses
4.2.1. Medicinal uses in examining humans (scanning)
4.2.2. Radiography
4.3. Wavelength: 10^-10m
4.4. Frequency: 10^18 Hz
5. Radiowaves
5.1. Longest wavelength, smalles energy
5.2. Impossible to detect without proper instruments
5.3. Functions
5.3.1. AM/FM Radio
5.3.2. TV
5.3.3. Spaced Exploration
5.4. Wavelength: 10^3 m
6. Infra-Red Waves
6.1. Just below the visible spectrum
6.2. Sun emits half of the radiation in infra red waves
6.3. Uses
6.3.1. night vision cameras
6.3.2. IR Telescope
7. Microwaves
7.1. Wavelength is around 3mm-10mm
7.2. Uses
7.2.1. Microwave Oven
7.2.2. Communication
7.2.2.1. Television Satellites
7.2.2.2. Radar Devices
7.2.2.3. Mobile phones