Three laser beams have wavelengths λ1 = 400 nm, λ2 = 600 nm, and λ3 = 800 nm. The power of each laser beam is 1 W.a. Rank in order, from largest to smallest, the photon energies E1 , E2 , and E3 in these three laser beams. Explain.b. Rank in order, from largest to smallest, the number of photons per second N1 , N2 , and N3 delivered by the three laser beams. Explain.

consider the expression for energy, E=hcλ from the above equation it is clear that λis inversely…

Answered: Three laser beams have wavelengths λ1 =…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter28: The Atom

Section: Chapter Questions

Problem 41A

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Three laser beams have wavelengths λ₁ = 400 nm, λ₂ = 600 nm, and λ₃ = 800 nm. The power of each laser beam is 1 W.
a. Rank in order, from largest to smallest, the photon energies E₁ , E₂ , and E₃ in these three laser beams. Explain.
b. Rank in order, from largest to smallest, the number of photons per second N₁ , N₂ , and N₃ delivered by the three laser beams. Explain.

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