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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
What is the main optical element of a refracting telescope?
   A)  A plane (flat) mirror    B)  A curved mirror    C)  A prism    D)  A lens
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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symbo Author
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#2
7 years ago
Very informative, I appreciate the extra effort
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