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Flashcards in 5 Deck (3)
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1

Electromagnetic spectrum from low to high:

Radio waves.
Micro waves.
Infra red waves.
Visible light
UV rays.
X rays
Gamma rays.

2

Dangers of the EM spectrum

- microwaves - internal heating.
- infra red - burns
- visible light - damages eyes.
- UV - skin cancer.
- X ray - cell mutation and tumblr.
- Gamma rays - can cause cancer or radiation sickness.

3

Uses of EM spectrum

Radio waves - radio
Microwaves - communication in Mobile phoned and microwaves.
Infra red - cooks food.
Visible light - so we can see.
UV - can be used to disinfect water.
X rays - from hard tissue imaging medicinally.
Gamma rays - kill cancer cells and kill bacteria on fruit industrially