1.

Relation between transmission coefficient t and reflection coefficient is r is

A. <sub>r</sub>= <sub>t</sub>-1
B. <sub>r</sub>= <sub>t</sub>+1
C. <sub>r</sub>= <sub>t</sub>-2
D. <sub>r</sub>= ( <sub>t</sub>-1) / <sub>t</sub>+1
Answer» B. <sub>r</sub>= <sub>t</sub>+1


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