Multiple Choice
A radiation detector exposed to sunlight records the energy falling on a given area each unit time. If such a detector has a reading of 0.430 cal cm-2 min-1, how many photons of sunlight are striking each cm2 in one minute? Assume the average wavelength of sunlight is 460. nm. (4.184 J = 1 calorie)
A) 2.02 × 107 photons
B) 8.46 × 107 photons
C) 4.17 × 1018 photons
D) 1.02 × 1027 photons
E) 4.25 × 1027 photons
Correct Answer:
Verified
Correct Answer:
Verified
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