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Can waves travel through a vacuum?
Yes they can and they all travel at the same spee through one.
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WHta would you find at the left of the electromagnetic spectrum?
radio waves.
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What would you find at thr right of the electromagnetic spectrum?
Gamma waves.
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What has a longer wavelenth Microwaves or ultraviolet waves?
Microwaves.
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What waves can be used for communication?
Radio, microwave, visible light and infared.
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What does CMBR mean?
codmetic microwave background radiation.
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What are the two types of waves?
Longitudinal and transverse.
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What direction of travel is a transverse wave?
they are at right angles to the direction of travel.
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What is the range of wavelenths of the electromagnetic spectrum?
10 to the - 15 and 10 to the 4.
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What are the 3 things that can be done to waves?
Refraction, defraction, reflection.
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What is the equasion to calculate the speed of a wave?
V = wavelength X freuency.
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Canme you name 1 use for visible light?
Photography.
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Can you name 2 uses for microwaves?
satellite television and mobile phones.
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Other cards in this set

Card 2

Front

WHta would you find at the left of the electromagnetic spectrum?

Back

radio waves.

Card 3

Front

What would you find at thr right of the electromagnetic spectrum?

Back

Preview of the front of card 3

Card 4

Front

What has a longer wavelenth Microwaves or ultraviolet waves?

Back

Preview of the front of card 4

Card 5

Front

What waves can be used for communication?

Back

Preview of the front of card 5
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