KCET 2021 Physics Solved Paper

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Question : 5 of 60

Marks: +1, -0

Suppose that the electric field amplitude of electromagnetic wave is E0=120NC−1 and its frequency f=50‌MHz. Then, which of the following value is incorrectly computed?

Magnetic field amplitude is 400‌nT.
Angular frequency of EM wave is π×108‌rad∕s.
Propagation constanı (angular wave number) is 2.1‌rad∕m.
Wavelength of EM wave is 6m.

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