More cards in this set

Card 6

Front

State two differences between a low polar orbit and a geostationary satellite?

Back

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Card 7

Front

Why do waves with a frequency of higher than 30GHz cannot be used to carry satellite signals.

Back

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Card 8

Front

Why do satellite transmitting and receiving dishes need to be carefully aligned?

Back

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Card 9

Front

Draw simple wave diagrams to describe the difference between constructive and destructive interferance

Back

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Card 10

Front

What effect does a polarising filter have on the light passing through it?

Back

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Card 11

Front

For which colour light does glass have the higher refractive index -blue or red?

Back

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Card 12

Front

What is the difference between a real image and a virtual image

Back

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