A pit in the earth (at sea level) with a planoconvex glass lens on top: The pit
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Question:
A pit in the earth (at sea level) with a planoconvex glass lens on top:
The pit is 1m deep. If I want to see an energy density of 0.6 w/cm2 at the bottom of the pit on a bright sunny day, what should the radius of curvature of the lens’ surface be?
Related Book For
Essentials of Marketing Research
ISBN: 978-1305263475
6th edition
Authors: Barry J. Babin, William G. Zikmund
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