More cards in this set

Card 6

Front

Usually, a higher frequency means that EM waves are .... dangerous

Back

Preview of the front of card 6

Card 7

Front

All EM waves travel at the same ... in a vacuum

Back

Preview of the front of card 7

Card 8

Front

All EM waves are .... waves

Back

Preview of the front of card 8

Card 9

Front

Long wave radiation can ....(bend) around hills

Back

Preview of the front of card 9

Card 10

Front

Visible light is used in .... fibres

Back

Preview of the front of card 10