A photosensitive surface is receiving light of wavelength 5000 Angstrom at the rate of 10^-7 J/s. Th — Atomic Structure Chemistry Question
Question
A photosensitive surface is receiving light of wavelength 5000 Angstrom at the rate of 10^-7 J/s. The number of photons received per second is
Answer: A
💡 Solution & Explanation
n = P*λ/(hc) = 10^-7 * 5000*10^-10 / (6.626*10^-34 * 3*10^8) = 2.5*10^11 photons/s.
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