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question a hailstone traveling with a velocity of 43 meterssecond comes to a virtual stop 028 seconds after hitting
question a physics professor did daredevil stunts in his sparetime his last stunt was an attempt to jump across a river
question which has more kinetic energy a 00014-kg bullet traveling at 391 ms or a 74 x 107-kg ocean liner traveling at
question the amplitudes of an elliptically polarized plane wave traveling in a lossless nonmagnetic medium with
question a wave traveling in a lossless nonmagnetic medium has an electric field amplitude of 2456 vm and an average
question repeat problem but replace the dielectric medium with a conductor with epsilonrnbsp 1 murnbsp 1 and sigma 278
question repeat problem but interchange epsilonr1nbspand epsilonr3problem for the configuration shown in fig p89 use
question orange light of wavelength 061 mumnbspin air enters a block of glass with epsilonrnbsp 144 what color would it
question a plane wave of unknown frequency is normally incident in air upon the surface of a perfect conductor using an
question consider a thin film of soap in air under illumination by yellow light with lambda 06 mum in vacuum if the
question a 5 mhz plane wave with electric field amplitude of 10 vm is normally incident in air onto the plane surface
question suppose that the optical fiber of example 8-5 is submerged in water with n 133 instead of air determine
question natural light is randomly polarized which means that on average half the light energy is polarized along any
question a parallel-polarized plane wave is incident from air onto a dielectric medium with r 9 at the brewster angle
question a hollow rectangular waveguide is to be used to transmit signals at a carrier frequency of 6 ghz choose its
question a waveguide with dimensions a 1 cm and b 07 cm is to be used at 20 ghz determine the wave impedance for the
question a narrow rectangular pulse superimposed on a carrier with a frequency of 95 ghz was used to excite all
question an antenna with a radiation efficiency of 90 has a directivity of 70 db what is its gain in decibels the
question a 1 m long dipole is excited by a 1 mhz current with an amplitude of 12 a what is the average power density
question the radiation pattern of a circular parabolic-reflector antenna consists of a circular major lobe with a
question assuming the loss resistance of a half-wave dipole antenna to be negligibly small and ignoring the reactance
question determine the effective area of a half-wave dipole antenna at 100 mhz and compare it with its physical
question a 3 ghz line-of-sight microwave communication link consists of two lossless parabolic dish antennas each 1 m
question a half-wave dipole tv broadcast antenna transmits 1 kw at 50 mhz what is the power received by a home
question a 150 mhz communication link consists of two vertical half-wave dipole antennas separated by 2 km the antennas