Question

what is quantum mechanical tunneling​

Answer 1

Answer:

>>Quantum tunnelling or tunneling is the quantum mechanical phenomenon where a subatomic particle passes through a potential barrier.

>> The effect was predicted in the early 20th century, and its acceptance as a general physical phenomenon came mid-century.

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Explanation:

Answer 2

Answer:

Quantum tunnelling or tunneling (US) is the quantum mechanical phenomenon where a subatomic particle passes through a potential barrier. ... The effect was predicted in the early 20th century, and its acceptance as a general physical phenomenon came mid-century.