The intensity of electromagnetic radiation from the sun reaching the earth’s upper atmosphere is 1.37 kW/m2. Assuming an average wavelength of 680 nm for this radiation, find the number of photons per second that strike a 1.00 m2 solar panel directly facing the sun on an orbiting satellite.

The intensity of electromagnetic radiation from the sun reaching the earth’s upper atmosphere is 1.37 kW/m2. Assuming an average wavelength of 680 nm for this radiation, find the number of photons per second that strike a 1.00 m2 solar panel directly facing the sun on an orbiting satellite.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Quantum Physics

Section: Chapter Questions

Problem 65P

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Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”

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The intensity of electromagnetic radiation from the sun reaching the earth’s upper atmosphere is 1.37 kW/m². Assuming an average wavelength of 680 nm for this radiation, find the number of photons per second that strike a 1.00 m² solar panel directly facing the sun on an orbiting satellite.

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