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Author Question: On a bright and sunny day, the intensity of solar radiation on the Earth's surface is 1 000 W/m2 . ... (Read 123 times)

a0266361136

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on: Jul 28, 2018
On a bright and sunny day, the intensity of solar radiation on the Earth's surface is 1 000 W/m2 . If the average wavelength of the sunlight is 500 nm, how many photons are incident on a square meter of the Earth's surface per second?

Question 2

What is the energy in eV of a photon of yellow light? l = 500 nm.


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Brummell1998

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Reply #1 on: Jul 28, 2018
Answer to Question 1

2.51  1021 photons/s

Answer to Question 2

2.48 eV


a0266361136

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Reply 2 on: Jul 28, 2018
Gracias!

amynguyen1221

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Reply 3 on: Yesterday
Wow, this really help

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