In a photoelectric experiment, electromagnetic radiation of wavelength 240 nm and intensity 8.2 x 10 w m² is incident normally on a metal surface of area 2.0 x 104 m². What is the number of photons incident per second? A. 2.0 x 1015 B. 2.0 x 108 C. 2.0 x 1021 D. 2.0 x 1024
In a photoelectric experiment, electromagnetic radiation of wavelength 240 nm and intensity 8.2 x 10 w m² is incident normally on a metal surface of area 2.0 x 104 m². What is the number of photons incident per second? A. 2.0 x 1015 B. 2.0 x 108 C. 2.0 x 1021 D. 2.0 x 1024
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Chapter27: Quantum Theory
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![52. In a photoelectric experiment, electromagnetic radiation of wavelength 240 nm and intensity 8.2 x 10 W
m2 is incident normally on a metal surface of area 2.0 x 104 m?. What is the number of photons incident
per second?
A. 2.0 x 1015
В. 2.0 х 1018
С. 2.0 х 1021
D. 2.0 x 1024](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2Fdb295f3f-294a-46f6-97a2-82d97680c0d7%2Fv9di99s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:52. In a photoelectric experiment, electromagnetic radiation of wavelength 240 nm and intensity 8.2 x 10 W
m2 is incident normally on a metal surface of area 2.0 x 104 m?. What is the number of photons incident
per second?
A. 2.0 x 1015
В. 2.0 х 1018
С. 2.0 х 1021
D. 2.0 x 1024
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