Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 9 (Q.No. 19)
19.
A uniform plane wave in the free space is normally incident on an infinitely thick dielectric slab (dielectric constant εr = 9). The magnitude of the reflection coefficient is
Answer: Option
Explanation:
Thus reflection coefficient = 
= - 0.5
Thus magnitude is 0.5 .
Discussion:
2 comments Page 1 of 1.
Chisom Maryjane said:
3 years ago
How was 1/3 gotten?
Explain the answer in detail, please.
Explain the answer in detail, please.
(1)
Pankaj Loungani said:
3 years ago
Instead of Eo now ErEo would be there, so it would be 9Eo and taking it out from root, we get 1/3.
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