Electromagnetic Field Theory - Engineering

Q1:

For transmission of waveform a dielectric medium of permittivity ε1 into a dielectric medium of lower permittivity ε2 , (ε1 > ε2) the critical angle of incidence θc (relative to the interface) is given by

A
sin-1

B
cos-1

C
tan-1

D

ANS:C -

tan-1

No answer description is available.