Q101
A medium of relative permittivity εr2 = 2 form an interface with free-space. A point source of electromagnetic energy is located in the medium at depth of 1 meter from the interface. Due to the total internal reflection, the transmitted beam has a circular cross-section over the interface. The area of the beam cross-section at the interface is given by
A.
2π m2
B.
π2m2
C.
D.
π m2
AnswerAnswer: Option D
Solution
Answer: Option D
No explanation is given for this question Let's Discuss on Board