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6. What type of wave has the shortest wavelength
- Gamma
- Infra red
- Radio
- X Ray
7. Dangers of Infra-red?
- cell mutation
- Skin burns
- internal heating of body tissue
- damage to surface cells and blindness
8. What are some uses of UV rays?
- fluorescent lamps
- cooking
- medial imaging
- thermal imaging
9. Dangers of Microwaves?
- internal heating of body tissue
- skin burns
- cancer
- blindness
10. Uses of Infra Red?
- broadcasting and communications
- heaters and thermal imaging
- satellite transmissions and cooking
- Medical imaging
11. Dangers of UV?
- causes burns
- cancer and cell mutation
- damage to surface cells and blindness
- rashes
12. Uses of X-rays?
- fluorescent lamps
- observing the internal structure of objects and materials, including for medical applications
- sterilising of food and medical equipment
- mapping the sun and galaxies