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An electron and a photon each have a wavelength of 0.20 nm.What is the momentum (in kg m/s) of the (a) electron and (b) photon? What is the energy (in eV) of the (c) electron and (d) photon?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter27: Quantum Physics

Section: Chapter Questions

Problem 29P

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Concept explainers

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”

Question

An electron and a photon each have a wavelength of 0.20 nm.What is the momentum (in kg m/s) of the (a) electron and
(b) photon? What is the energy (in eV) of the (c) electron and
(d) photon?

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