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Conceptual Questions
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1

Describe a type of experiment that shows that light behaves like a stream of particles and one that shows that light behaves like waves.
2

Name a substance that has a reflectivity of nearly 100% and another that has a reflectivity near 0%.
3

Draw a diagram showing how a mirror forms an image.
4

What are two advantages of using CCDs as opposed to photography?
5

List the qualities that astronomers look for when evaluating a possible observing site.
6

What are two reasons why astronomers have used space observatories?





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