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Card 6
Front
What can refraction and reflection be for a good signal?(2)
Back
Card 7
Front
Give a disadvantage of reflection.
Back
Card 8
Front
Give four common uses of wireless technology.
Back
Card 9
Front
What do long distance communications depend on?
Back
Card 10
Front
Talk about the refraction of radio waves.
Back
Card 11
Front
Talk about the refraction of microwaves.
Back
Card 12
Front
What is the refraction and refection in the ionosphere similar to?
Back
Card 13
Front
Why do nearby radio stations use different transmission frequencies?
Back
Card 14
Front
Give two advantages of DAB broadcasts.
Back
Card 15
Front
Give two disadvantages of DAB broadcasts.
Back
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