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7 Cards in this Set
- Front
- Back
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Properties of: Radio waves |
0.1 - 10^6 metres Passes through matter Used for radio transmissions |
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Properties of: microwaves |
10^-3 to 0.1 m mostly pass through matter, cause heating Used for microwave cooking and TV transmissions and radar |
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Properties of: Infa-red waves |
7 x 10^-7 to 10^-3 m mostly absorbed by matter, cause heating Used for night vision, heat detectors, remote controls |
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Properties of: visible light |
4 x 10^-7 to 7 x 10^-7 m absorbed by matter causing some heating Used for sight and optical fibres |
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Properties of: UV rays |
10^-8 to 4 x 10^-7 m Absorbed by matter, causing slight ionisation Uses: security marks that show under UV light, sunbeds |
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Properties of: X-rays |
10^-13 to 10^-8 m mostly Passes through matter, causing ionisation Uses: medical imaging (bones and teeth), airport security scanners, kill cancerous cells |
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Properties of: Gamma rays |
10^-16 to 10^-10 mostly pass through matter causing ionisation uses: sterilisation of medical equipment, medcial tracing, killing cancer cells, irradiation of food |
