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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
The best shape for the cross-section of a simple astronomical mirror in order to produce the sharpest images of very distant objects at its prime focus is
A)   a parabolic shape.   C)   a perfectly flat, smooth surface.
B)   an elliptical shape.   D)   a spherical shape.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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papachulopapachulo
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7 years ago
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symbo Author
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This site is awesome
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