The reflection coefficient \( R \) for a certain barrier tunneling problem is \( 0.80 \). The co...

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The reflection coefficient \( R \) for a certain barrier tunneling problem is \( 0.80 \). The corresponding transmission coefficient \( T \) is
(A) \( 0.80 \)
(B) \( 0.60 \)
(C) \( 0.50 \)
(D) \( 0.20 \)
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