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Card 6
Front
What surface reflects infrared radiation?
Back
Card 7
Front
What happens when an object absorbs infrared radiation? Give an example.
Back
Card 8
Front
Talk about the wavelengths and frequency of microwave radiation compared with visible light.
Back
Card 9
Front
Microwaves can't be seen but what can they cause?
Back
Card 10
Front
What do microwaves rely on? and how do they warm up food?
Back
Card 11
Front
What's the safe limit set by 'British Standard' for microwaves?
Back
Card 12
Front
What does '50 watts per square metre at 5cm' mean? (Microwaves)
Back
Card 13
Front
What do microwaves have to protect us from the harmful effects of their radiation?
Back
Card 14
Front
What do microwaves pass through?(2) What are they reflected by?(1) What can absorb microwaves?(1)What is the effect of absorbing this?
Back
Card 15
Front
Which two ways does the use of mobile phones mean people are exposed to microwave radiation?
Back
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