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4 Cards in this Set
- Front
- Back
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Electromagnetic waves |
7 types of EM waves |
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Infrared radiation was discovered by Herschel in 1800 |
He measured heat just past red in spectrum and found highest temperature |
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Ritter discovered UV 1801 |
He measured how quickly silver chloride turned black when exposed to light. He then put it just past violet and it changed the quickest |
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The dangers of EM radiation |
Microwaves can heat human body cells. Infrared can cause nasty skin burns Ultra Violet can cause Skin Cancer and eye damage Gamma/ X-Rays Cell mutation causes cancer |
