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1. |
A plane wave E = 100 sin (ωt – 10x) V/m in a loss less medium with μ = 4 μ0, ε = ε0 strikes another medium with 90 degree angle of incidence having μ = 9 μ0, ε = ε0, the reflection co-efficient is: |
A. | 0.5 |
B. | 0.25 |
C. | 0.1 |
D. | 0.2 |
Answer» E. | |