Multiple Choice
A nocturnal bird's eye can to detect monochromatic light of frequency 6.38 * 1014 Hz with a power as small as 2.1 * 10-17 W.What is the corresponding number of photons per second a nocturnal bird's eye can detect?
A) 30
B) 40
C) 50
D) 60
E) 70
Correct Answer:
Verified
Correct Answer:
Verified
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