An electromagnetic plane wave travels from a denser medium with a refractive index of 2.8 to a rarer medium with a refractive index of 1.7. The incidence angle is 35º and the transmission angle is 20°. Calculate the transmission coefficient for parallel polarization.
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![An
electromagnetic plane wave travels from a denser medium with a refractive index of 2.8
to a rarer medium with a refractive index of 1.7. The incidence angle is 35º and the
transmission
angle is 20°. Calculate the transmission coefficient for parallel polarization.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc44715e-e997-4081-aac6-58f75fd336c7%2F427cae8f-a08e-416b-8201-506652d2fe43%2Foexhr7_processed.png&w=3840&q=75)
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- For a certain electromagnetic wave in free space, at one instant the electric field vector points in the +z direction while the magnetic field vector points in the +x direction, as shown in the figure. In what direction is this wave traveling? B E +y +z +x -X -yWhat is the maximum value (in units of N/C) of the electric field Emax in an electromagnetic wave propagating in vacuum whose average intensity is I = 4 %3D W/m2?The electric component of a beam of polarized light is Ey = (5.08 V/m) sin[(1.10 × 10° m-4)z + wt). (a) Write an expression for the magnetic field component of the wave, including a value for w. What are the (b) wavelength, (c) period, and (d) intensity of this light? (e) Parallel to which axis does the magnetic field oscillate? (f) In which region of the electromagnetic spectrum is this wave? (a) Bx = ( i ) sin[( i x106 v )z +( i )t] (b) Number i Units (c) Number i Units (d) Number i Units (e) (f) > >
- There is a vector defined by John Henry Poynting in 1884 whose direction gives the direction that an electromagnetic wave transmits its field energy and whose magnitude is the rate at which energy is being transmitted per square meter of the wavefront. For mutually perpendicular E- and B-fields in the wave, the magnitude of the Poynting vector is S =EB/mu0 and the direction is given by a right-hand rule, curling fingers from E vector and B vector. a) Carefully analyze the units of the Poynting vector and show that they are indeed watts per square meter. b) Find the intensity of the light in a beam of light whose electric field strength is 360 N/C and whose magnetic field is 1.2 muT.An electromagnetic wave is traveling out of the page (normal to page) towards you with itselectric field osscilating along the horizontal. If the peak electric field in an electromagnetic waveis 754 µV/m, what is the peak magnetic field for the same wave and the direction of the magneticfield?We want to rotate the direction of polarization of a beam of polarized light through 90° by sending the beam through one or more polarizing sheets. (a) What is the minimum number of sheets required? (b) What is the minimum number of sheets required if the transmitted intensity is to be more than 83% of the original intensity?