Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 22 - Electromagnetic Waves - Questions - Page 640: 3


Yes. No.

Work Step by Step

EM waves travel to Earth unimpeded by a vacuum. Energy is carried in oscillating electric and magnetic fields. Sound cannot travel through a perfect vacuum, because it is a mechanical wave that requires a medium to transmit its vibrations from place to place.
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