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Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 × 106 [V/m]) î cos [ky + (2.7 × 10¹5 [rad/s]) t] What is the direction, frequency, and wavelength of the travelling wave? O A. The EM wave is travelling along the k direction with frequency 4.8 x 105 Hz and wavelength 6.3 × 10² m. B. The EM wave is travelling along the j direction with frequency 1.7 × 10¹6 Hz and wavelength 1.8 × 10-8 m. O C. The EM wave is travelling along the direction with frequency 4.3 × 10¹4 Hz and wavelength 7.0 × 10-7 m. O D. The EM wave is travelling along the i direction with frequency 2.7 × 10¹5 Hz and wavelength 1.1 × 10-7 m.

Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 × 106 [V/m]) î cos [ky + (2.7 × 10¹5 [rad/s]) t] What is the direction, frequency, and wavelength of the travelling wave? O A. The EM wave is travelling along the k direction with frequency 4.8 x 105 Hz and wavelength 6.3 × 10² m. B. The EM wave is travelling along the j direction with frequency 1.7 × 10¹6 Hz and wavelength 1.8 × 10-8 m. O C. The EM wave is travelling along the direction with frequency 4.3 × 10¹4 Hz and wavelength 7.0 × 10-7 m. O D. The EM wave is travelling along the i direction with frequency 2.7 × 10¹5 Hz and wavelength 1.1 × 10-7 m.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 × 106 [V/m]) i cos [ky + (2.7 x 10¹5 [rad/s]) t] What is the direction, frequency, and wavelength of the travelling wave? O A. The EM wave is travelling along the k direction with frequency 4.8 x 105 Hz and wavelength 6.3 × 10² m. B. The EM wave is travelling along the j direction with frequency 1.7 x 10¹6 Hz and wavelength 1.8 × 10-8 m. O C. The EM wave is travelling along the direction with frequency 4.3 × 10¹4 Hz and wavelength 7.0 × 10-7 m. O D. The EM wave is travelling along the i direction with frequency 2.7 × 10¹5 10¹5 Hz and wavelength 1.1 x 10-7 m. ×
Transcribed Image Text:Consider an electromagnetic wave travelling in a vacuum with an electric field given by E(y, t) = (3 × 106 [V/m]) i cos [ky + (2.7 x 10¹5 [rad/s]) t] What is the direction, frequency, and wavelength of the travelling wave? O A. The EM wave is travelling along the k direction with frequency 4.8 x 105 Hz and wavelength 6.3 × 10² m. B. The EM wave is travelling along the j direction with frequency 1.7 x 10¹6 Hz and wavelength 1.8 × 10-8 m. O C. The EM wave is travelling along the direction with frequency 4.3 × 10¹4 Hz and wavelength 7.0 × 10-7 m. O D. The EM wave is travelling along the i direction with frequency 2.7 × 10¹5 10¹5 Hz and wavelength 1.1 x 10-7 m. ×
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