Enter your answer in the provided box. The retina of a human eye can detect light when radiant energy incident on it is at least

Question

Enter your answer in the provided box.
The retina of a human eye can detect light when radiant energy incident on it is at least 4.0 × 10¯17 J.
For light of 565-nm wavelength, how many photons does this energy correspond to?

Kunduz · Accepted Answer

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