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Which of the following statements about electromagnetic waves in free space are

ID: 1540436 • Letter: W

Question

Which of the following statements about electromagnetic waves in free space are true? (There could be more than one correct choice) Check all that apply. The frequency of the electric field is higher than the frequency of the magnetic field. The electric and magnetic fields have equal amplitudes. The electric field carries more energy than the magnetic field. The frequency of the magnetic field is the same as the frequency of the electric field. The electric field carries the same amount of energy as the magnetic field. Comparing infrared and ultraviolet, we can say that infrared has longer wavelength and higher photon energy infrared has longer wavelength and lower photon energy ultraviolet has longer wavelength and lower photon energy ultraviolet has longer wavelength and higher photon energy

Explanation / Answer

1)

b) Electric and magnetic fields have equal amplitude (True)

e) In vaccum electric and magnetic fields carries same amount of energy. Therefore electric field carries same amount of energy as magnetic field(True)

2)

Infrared rays have longer wavelength and lower photon energy(True)

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