Posted by **katie** on Thursday, December 16, 2010 at 7:39pm.

A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 4 inches across at its opening and is 3 inches deep, where will the collected light be concentrated?

- 11th grade -
**Anonymous**, Monday, August 1, 2016 at 6:05am
rrr

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