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Which outcome occurs when an electron encounters symmetrical potential barrier?

A)Finite probability of tunneling exists.
B)Complete reflection occurs due divergence.
C)Destructive interference cancels transmission.
D)Barrier absorbs the entire electron.

💡 Explanation

A real, finite probability for quantum tunnelingexists, because the electron's wavefunction extends into and propagates through the barrier; therefore, transmission occurs with reduced amplitude, rather than complete blockage or absorption.

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