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The particle with wave function Ae^kx+ Be^-kx represents ____________

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The particle with wave function Ae^kx+ Be^-kx represents ____________

(a) Oscillating particle

(b) Moving Particle

(c) Probable Particle

(d) No such wave function

This question was addressed to me in an international level competition.

This interesting question is from Tunnel Effect topic in portion Quantum Physics of Engineering Physics I

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Correct choice is (c) Probable Particle

For explanation: The given wave function does not oscillate and does not represent a moving particle. Its probability density is not zero, so there is a finite probability of finding a particle within the barrier.

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