1. Which part of the electromagnetic spectrum has the longest wavelengths?
2. The wave speed for all electromagnetic waves is 300,000,000 m/s. What is the frequency of electromagnetic waves with a wavelength of 300m? (Velocity / Wavelength)
3. Which part of the electromagnetic spectrum transfers the least energy?
4. Which part of the electromagnetic spectrum is used to transmit signals to and from satellites?
5. How does visible light travel along an optical fibre?
6. What is the Doppler effect?
7. What is a galaxy?
8. How can we tell that the light from a distant galaxy has been red-shifted?
9. What is the Big Bang Theory?
10. What piece of evidence can only be explained by the Big Bang Theory?
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