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(e) Calculate the average radiation pressure that this wave would exert on a perfectly absorbing surface: P = 9.9472E-12 X N/m²

(e) Calculate the average radiation pressure that this wave would exert on a perfectly absorbing surface: P = 9.9472E-12 X N/m²

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Solve part e only

(Adapted from Tipler's Physics) An electromagnetic plane wave has a frequency of 110 MHz and is traveling in a vacuum. The magnetic field is given by B(z, t) = (1.00 x 10-8 T) cos (kz - wt)î. (Assume the electromagnetic wave is travelling in the direction.) (a) Find the wavelength of this wave. 2.7272 m (b) Find the electric field vector (z, t). (Use the following as necessary: z, and t.) E(z, t) = −3 cos (2.3z – (6.911 - 108)t)j (c) Determine the Poynting vector. (Use the following as necessary: z, and t.) cos² (2.3z – (6.911-108) t) k mW/m² Ś(z, t) = V/m 23.87 cos (d) Calculate the average intensity of the wave. I = 11.9 mW/m² (e) Calculate the average radiation pressure that this wave would exert on a perfectly absorbing surface: P = 9.9472E-12 x N/m²
Transcribed Image Text:(Adapted from Tipler's Physics) An electromagnetic plane wave has a frequency of 110 MHz and is traveling in a vacuum. The magnetic field is given by B(z, t) = (1.00 x 10-8 T) cos (kz - wt)î. (Assume the electromagnetic wave is travelling in the direction.) (a) Find the wavelength of this wave. 2.7272 m (b) Find the electric field vector (z, t). (Use the following as necessary: z, and t.) E(z, t) = −3 cos (2.3z – (6.911 - 108)t)j (c) Determine the Poynting vector. (Use the following as necessary: z, and t.) cos² (2.3z – (6.911-108) t) k mW/m² Ś(z, t) = V/m 23.87 cos (d) Calculate the average intensity of the wave. I = 11.9 mW/m² (e) Calculate the average radiation pressure that this wave would exert on a perfectly absorbing surface: P = 9.9472E-12 x N/m²
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