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Card 6
Front
Why is water used in central heating systems?
Back
Card 7
Front
Name some ways to reduce heat loss from a house
Back
Card 8
Front
What do most insulating methods have in common?
Back
Card 9
Front
Payback time equation
Back
Card 10
Front
What is the frequency of a wave?
Back
Card 11
Front
What do all electromagnetic waves have in common?
Back
Card 12
Front
How does diffraction affect TV reception compared with radio reception?
Back
Card 13
Front
How does light travel down a flexible optical fibre?
Back
Card 14
Front
What is total internal relfection?
Back
Card 15
Front
What are the properties of laser light?
Back
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