Who had showed that the electric and magnetic waves are equal in vacuum?

An electromagnetic wave is traveling in a vacuum. The magnitudes ofthe electric and magnetic fields of the wave are _____________, andthe electric and magnetic energies carried by the wave are_____________.



(a) equal, proportional (but not equal) to each other

(b) proportional (but not equal) to each other, equal

(c) equal, equal

(d) proportional (but not equal) to each other, unequal

An electromagnetic wave is traveling in a vacuum. The magnitudes ofthe electric and magnetic fields of the wave are _____________, andthe electric and magnetic energies carried by the wave are_____________.



equal, proportional (but not equal) to each other

proportional (but not equal) to each other, equal

equal, equal

proportional (but not equal) to each other, unequal

electromagnetic waves are waves consisting of changing electric and magnetic fields

are transverse waves consisting of changing electric fields and changing magnetic fields.