Multiple Choice
A radiation detector exposed to sunlight records the energy falling on a given area per unit time.If such a detector has a reading of 0.698 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) 1.62 × 1018 photons
B) 4.32 × 1019 photons
C) 6.76 × 1018 photons
D) 2.31 × 1018 photons
E) 9.63 × 1019 photons
Correct Answer:

Verified
Correct Answer:
Verified
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