4. An electron and a positron, each of mass 9.11 x 10-³¹ kilogram, are in the same general vicinity and have very small initial speeds. They then annihilate each other, producing two photons. What is the approximate energy of each emerging photon? a. 0.51 MeV b. 2.0 MeV c. 4.0 MeV d. 6.6 MeV e. It cannot be determined unless the frequency of the photon is known
4. An electron and a positron, each of mass 9.11 x 10-³¹ kilogram, are in the same general vicinity and have very small initial speeds. They then annihilate each other, producing two photons. What is the approximate energy of each emerging photon? a. 0.51 MeV b. 2.0 MeV c. 4.0 MeV d. 6.6 MeV e. It cannot be determined unless the frequency of the photon is known
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter29: Introduction To Quantum Physics
Section: Chapter Questions
Problem 44PE: (a) Calculate the wavelength of a photon that has the same momentum as a proton moving at 1.00% of...
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