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  • Created by: zai_nan
  • Created on: 28-03-15 15:02
what are the 7 types of electromagnetic (em) waves?
gamma rays, x-rays , ultra-violet , visible light , infrared , microwaves , radio waves
1 of 10
em waves with higher frequencies have ? longer or shorter wavelengths
shorter wavelengths
2 of 10
em waves with lower frequencies have shorter or longer wavelengths ?
longer wavelengths
3 of 10
what are radio waves used for and give examples
comunication , tv , radios and bluetooth
4 of 10
what are microwaves used for and give examples.
satellite communication and mobile phones
5 of 10
what are infrared waves used for ?
they are used for wireless remote controlles
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what are visible light useful for
cameras and photography
7 of 10
why are xrays useful ?
they are used in hospitals to check for any broken bones and cracked metals
8 of 10
what are the uses of gamma ray
sterilising food or an item . kill bacteria and can destroy cancer cells in the body
9 of 10
what are the uses of ultraviolet ?
can cause blindless , invisible writings can be seen , it can course skin cancer / sunburn
10 of 10

Other cards in this set

Card 2

Front

em waves with higher frequencies have ? longer or shorter wavelengths

Back

shorter wavelengths

Card 3

Front

em waves with lower frequencies have shorter or longer wavelengths ?

Back

Preview of the front of card 3

Card 4

Front

what are radio waves used for and give examples

Back

Preview of the front of card 4

Card 5

Front

what are microwaves used for and give examples.

Back

Preview of the front of card 5
View more cards

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