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01071_Text_GCSE Activity Window Template.txt
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1999-02-05
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393b
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14 lines
The cosmos as you have never seen it
1. Why is the image produced by a fly's eye relatively big, but blurred.
2. For the human eye
a) Which type of lens is employed?
b) What is the normal accommodation range for a human eye?
c) Which part of the retina is used to distinguish fine detail?
3. Draw a ray diagram to explain how a refracting astronomical telescope works.