Answer
Choice D.
Work Step by Step
Assume that the photon eventually loses all of its energy. Let N be the number of ionizations.
$$(40 eV)N = 4 MeV=4\times10^6 eV$$
$$N=10^5$$
University Physics with Modern Physics (14th Edition)
by Young, Hugh D.; Freedman, Roger A.
Published by
Pearson
ISBN 10:
0321973615
ISBN 13:
978-0-32197-361-0
Chapter 38 - Photons: Light Waves Behaving as Particles - Problems - Exercises - Page 1278: 38.42
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
