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More cards in this set
Card 16
Front
What is shown in Source D?
Back
Card 17
Front
What is shown in Source E?
Back
Card 18
Front
What is shown in Source F?
Back
Card 19
Front
Using Source F, why do you need a small gap?
Back
Card 20
Front
How do signals travel through optical fibres?
Back
Card 21
Front
Why are microwaves used for satellite communications instead of radio waves?
Back
Card 22
Front
What piece of evidence supports the Big Bang theory?
Back
Card 23
Front
Why is the light from galaxies red-shifted?
Back
Card 24
Front
According to the Doppler effect, what happens to sound waves emitted at a constant pitch from a car moving towards you?
Back
Card 25
Front
What is the CMBR?
Back
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