microwaves

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4 Terms

1
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what are microwaves used for?

  • communication to and from satellites

    • satellite TV signals

    • satellite phones

  • heating food

2
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what is an advantages of microwaves?

pass easily through Earth’s atmosphere

3
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how do microwaves heat food?

  1. high frequency microwaves = easily absorbed by molecules in food

  2. internal energy of molecules increases

4
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a

a

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