Which is(are) true? The energy carried by an electromagnetic wave in a vacuum: A. propagates at the speed of light B. consists of equal contributions from the electric and magnetic fields. C. propagates along the direction of the electric field. D. all of the above E. two of the above

Which is(are) true? The energy carried by an electromagnetic wave in a vacuum: A. propagates at the speed of light B. consists of equal contributions from the electric and magnetic fields. C. propagates along the direction of the electric field. D. all of the above E. two of the above

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 78PQ

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Question

Which is(are) true? The energy carried by an electromagnetic wave in a vacuum:

A. propagates at the speed of light

B. consists of equal contributions from the electric and magnetic fields.

C. propagates along the direction of the electric field.

D. all of the above

E. two of the above

Interaction between an electric field and a magnetic field.

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