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The eyes of a certain member of the reptile family pass a visual signal to the brain when the visual receptors are struck by photons of wavelength 890 nm. If a total energy of 3.15 × 10 -14 J is required to trip the signal, what is the minimum number of photons that must strike the receptor?

The eyes of a certain member of the reptile family pass a visual signal to the brain when the visual receptors are struck by photons of wavelength 890 nm. If a total energy of 3.15 × 10-14J is required to trip the signal, what is the minimum number of photons that must strike the receptor?

Grade:12

1 Answers

Charchit Tailong
askIITians Faculty 147 Points
8 years ago
E=nhc/lambda

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