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The Electromagnetic Wave of the Radiation Field from a Wire

question 12

Multiple Choice

The electromagnetic wave of the radiation field from a wire antenna travels toward the plane of your paper (which is in the -z direction) . At time t = 0 s, the wave strikes your paper at normal incidence. The magnetic field vector at point O in the figure points in the -y direction and has a magnitude of 4.0 × 10-8 T. The frequency of the wave is 1.0 × 1016 Hz. The electromagnetic wave of the radiation field from a wire antenna travels toward the plane of your paper (which is in the -z direction) . At time t = 0 s, the wave strikes your paper at normal incidence. The magnetic field vector at point O in the figure points in the -y direction and has a magnitude of 4.0 × 10<sup>-</sup><sup>8</sup> T. The frequency of the wave is 1.0 × 10<sup>16</sup> Hz.   -What is the wavelength of this electromagnetic wave? A) 0.33 nm B) 3.3 nm C) 20 nm D) 30 nm E) 40 nm
-What is the wavelength of this electromagnetic wave?


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