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A retina of a human eye can detect light when radiant energy incident on it is at least 4.0 x 10^-17 J. For light of 600-nm wavelength, how many photons does the correspond to?

Question

A retina of a human eye can detect light when radiant energy incident on it is at least 4.0 x 10^-17 J. For light of 600-nm wavelength, how many photons does the correspond to?

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Step 1

Relation between energy and wavelength:

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Tagged in

Science

Chemistry

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