Questions
A plane electromagnetic wave propagating in the x-direction has wavelength of 60 mm. The electric field is in the y-direction and its maximum magnitude is 33 V/m-1. The equation for the electric field as function of x and r is
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Correct option is B
ω=2πv2πcλ=2π×3×1086×10-3=π×1011rad/sThe equation for the electric field, along y-axis in the electromagnetic wave isEy=E0sinωt-xc=33 sinπ×1011t-x/c
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A plane electromagnetic wave propagates in a medium of dielectric constant
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