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In SI units, the electric field in an electromagnetic wave
Chapter 34, Problem 19(choose chapter or problem)
QUESTION:
In SI units, the electric field in an electromagnetic wave is described by E y 5 100 sin (1.00 3 107 x 2 vt) Find (a) the amplitude of the corresponding magnetic field oscillations, (b) the wavelength l, and (c) the frequency f.
Questions & Answers
QUESTION:
In SI units, the electric field in an electromagnetic wave is described by E y 5 100 sin (1.00 3 107 x 2 vt) Find (a) the amplitude of the corresponding magnetic field oscillations, (b) the wavelength l, and (c) the frequency f.
ANSWER:Step 1 of 3
(a) Magnetic field of an electromagnetic wave is given by,
..........(1)
We know that the speed of light in vacuum,
Put this value in equation one, implies,
We only need the amplitude, so,