More cards in this set

Card 6

Front

breifly describe what happens to a wave when it is (deflected) (reflected)

Back

Preview of the front of card 6

Card 7

Front

describe how lazers are used in cd players

Back

Preview of the front of card 7

Card 8

Front

explain how infrered radiationis used to control electronic equiptment

Back

Preview of the front of card 8

Card 9

Front

advantages and disadvantages of using DAB

Back

Preview of the front of card 9

Card 10

Front

the diffrence of analogue and digital signals

Back

Preview of the front of card 10

Card 11

Front

why are CFC so bad

Back

Preview of the front of card 11

Card 12

Front

two waves that cause earth quakes

Back

Preview of the front of card 12