Multiple Choice
An electromagnetic wave consists of
A) only an electric field.
B) only a magnetic field.
C) an electric field and a magnetic field oriented parallel to each other.
D) an electric field and a magnetic field oriented perpendicular to each other.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: A wave has double the amplitude of
Q22: Stationary charges produce<br>A) electromagnetic waves.<br>B) only magnetic
Q23: Maxwell's equations are a compilation of
Q24: An electromagnetic wave has an electric
Q25: Accelerating charges produce<br>A) electromagnetic standing waves.<br>B) only
Q27: Consider a 150-W incandescent lightbulb that radiates
Q28: Unpolarized light of intensity I<sub>0</sub> is incident
Q29: A gamma ray has a wavelength
Q30: The amplitude of the electric field
Q31: An electromagnetic wave has an electric