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Question

Let the electric field part of an electromagnetic wave is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î.

Compute the value of wavelength, frequency and the amplitude of the magnetic field part of the wave’ respectively?

 

A 5.23,2.82 × 10^7 and 1.76 × 10^-8 Correct Answer Incorrect Answer
B 3.23,2.82 × 10^7 and 0.76 × 10^-8 Correct Answer Incorrect Answer
C 5.23,3.82 × 10^7 and 0.76 × 10^-8 Correct Answer Incorrect Answer
D 3.23,3.82 × 10^7 and 1.76 × 10^-6 Correct Answer Incorrect Answer

Solution

The correct answer is C

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