In a plane electromagnetic wave in vacuum, the ratio E/B of the amplitudes in SI units of the two fields is:
A)the speed of light
B)an increasing function of frequency
C)a decreasing function of frequency
E)1/

Question

In a plane electromagnetic wave in vacuum, the ratio E/B of the amplitudes in SI units of the two fields is:
A)the speed of light 
B)an increasing function of frequency 
C)a decreasing function of frequency 
E)1/

Quizplus · Accepted Answer

In a plane electromagnetic wave in vacuum, the ratio E/B of the amplitudes is equal to the speed of light (c) in SI units. This is a fundamental property of electromagnetic waves in vacuum and is not dependent on frequency. Thus, options B and C can be ruled out. Option D and E are arbitrary values that do not correspond to any physical property. Therefore, the correct answer is A.

In a Plane Electromagnetic Wave in Vacuum, the Ratio E/B