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The Intensity of a Light Beam with a Wavelength of 500

Question 24

Multiple Choice

The intensity of a light beam with a wavelength of 500 nm is 2000 W/m².The photon flux is about:

A) 5 * 10¹⁷/m².s
B) 5 * 10¹⁹/m².s
C) 5 * 10²¹/m².s
D) 5 F*10²³/m².s
E) 5 * 10²⁵/m².s

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