Multiple Choice
One can increase the insolation upon a one ft2 horizontal plate by ________.
A) using a fresnel lens of one ft2
B) using two 1 ft2 fresnel lenses, one on top of the other
C) adding reflectors around the plate
D) increasing the temperature of the plate
E) increasing the absorption of the plate
Correct Answer:
Verified
Correct Answer:
Verified
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