Unknown biological tissue: The electric field component of a uniform plane wave propagating in a biological tissue with relative dielectric constant εr is given by E = 0.5e^(cos(1.83T10^-14)vV-m^1).
a) Find εr assuming ε0 = 0 and μ0 = 1.
b) Write the corresponding expression for the wave magnetic field.
c) Write the mathematical expression for the time-average Poynting vector S and sketch its magnitude from 0 to 5 cm.