Electromagnetic Field Theory - Engineering

Q1:

A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?

A 10%

B 25%

C 50%

D 75%

ANS:B - 25%

Preflected = |δ|2 Pincident |δ|2 = 0.25 .