Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 x 105 [V/m)) i cos[ky+ (2.7 x 10¹5 [rad/s]) t]. What is the direction, frequency, and wavelength of the travelling wave? OA. The EM wave is travelling along the k direction with frequency 4.8 x 105 1 and wavelength 6.3 x 10² m. OB. The EM wave is travelling along the direction with frequency 1.7 x 10¹6 Hz and wavelength 1.8 x 10-8 m j direction with frequency 4.3 x 10¹4 Hz and wavelength 7.0 x 10-7 m OC. The EM wave is travelling along the OD. The EM wave is travelling along the i direction with frequency 2.7 x 10¹5 Hz and wavelength 1.1 x 10-7 m
Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 x 105 [V/m)) i cos[ky+ (2.7 x 10¹5 [rad/s]) t]. What is the direction, frequency, and wavelength of the travelling wave? OA. The EM wave is travelling along the k direction with frequency 4.8 x 105 1 and wavelength 6.3 x 10² m. OB. The EM wave is travelling along the direction with frequency 1.7 x 10¹6 Hz and wavelength 1.8 x 10-8 m j direction with frequency 4.3 x 10¹4 Hz and wavelength 7.0 x 10-7 m OC. The EM wave is travelling along the OD. The EM wave is travelling along the i direction with frequency 2.7 x 10¹5 Hz and wavelength 1.1 x 10-7 m
Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 45P: The electric field of an electromagnetic wave traveling in vacuum is described by the following wave...
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