Answered: 1. A hydrogen gas is contained inside a…

1. A hydrogen gas is contained inside a glass tube. When a bright light is illuminated, the spectrum showed an absorption line at 654 nm. What is the energy of the absorbed photon?

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 35A

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Concept explainers

Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.

Question

LET'S COMPUTE!
Analyze and solve the following problems below. Show your complete solution
on a separate sheet of paper.
1. A hydrogen gas is contained inside a glass tube. When a bright light is
illuminated, the spectrum showed an absorption line at 654 nm.
What is the energy of the absorbed photon?
2. The red light from a helium-neon laser has a wavelength of 642 nm.
What is the energy of one photon?

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