A laser beam of power P in watts consists of photons of wavelength X in nanometers. Part A What is the total momentum of the photons passing a cross section along the beam's path every second? Express your answer in terms of the variables P and ), the Planck constant h, and the speed of light c. Templates Symbols undo redo Teset keyboard shortcuts help Protal = Request Answer Submit

A laser beam of power P in watts consists of photons of wavelength X in nanometers. Part A What is the total momentum of the photons passing a cross section along the beam's path every second? Express your answer in terms of the variables P and ), the Planck constant h, and the speed of light c. Templates Symbols undo redo Teset keyboard shortcuts help Protal = Request Answer Submit

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 42Q

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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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Still on number 2 Identify the knowns, unknowns and formula to be used. Calculate the corresponding photon energy range in electron volts (eV) of the X-ray. (*Note: Search for the frequencies/wavelengths of these EM radiation)
2. What is the energy of a photon that has the same wavelength as a 100-eV electron? Clearly show all your work and reasoning
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