Question
Physics Question on Electromagnetic waves
Suppose that the electric field amplitude of electromagnetic wave is Eo=120 NC−1 and its frequency if f = 50 MHz. Then which of the following value is incorrectly computed ?
A
Magnetic field amplitude is 400nT.
B
Angular frequency of EM wave is π × 108 rad/s
C
Propagation constant (angular wave number) is 2.1 rad/m
D
Wavelength of EM wave is 6m.
Answer
Propagation constant (angular wave number) is 2.1 rad/m
Explanation
Solution
The correct answer is (C) : Propagation constant (angular wave number) is 2.1 rad/m.