Item 1The electric field of an electromagnetic wave in a vacuum isEy (21.0V/m)cos((2.78 × 108 )x - wt), where x is in m and t is in s.Part AWhat is the wave's wavelength?Express your answer with the appropriate units.λ =SubmitPart Bf=μAValueWhat is the wave's frequency?Express your answer with the appropriate units.SubmitB=SubmitValueHÅMy Answers Give UpUnitsPart CWhat is the wave's magnetic field amplitude?Express your answer with the appropriate units.ValueμAUnitsMy Answers Give Up6UnitsMy Answers Give Up???

(1) Given that expression of electric field Ey=(21.0V/m)cos((2.78×108)x-ωt) The general expression…

Answered: Item 1 The electric field of an…

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