When a Particle Approaching a Potential Step Has a Total

question 12

Multiple Choice

When a particle approaching a potential step has a total energy that is greater than the potential step, what is the probability that the particle will be reflected?

• A) P < 0.
• B) P = 0.
• C) P = 1.
• D) P > 0.
• E) P = ∞.

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Definitions:

Millivolts

A unit of electric potential equal to one thousandth of a volt, commonly used to measure electrical potential differences.

Action Potential

A temporary reversal of the electric membrane potential of a cell, especially nerve cells, allowing for the transmission of nerve impulses.

Resting Potential

The electrical potential of a neuron when it is not active, representing the difference in charge between the inside and outside of the cell.

Axon Terminal

Bulbous end of the axon where signals move from the axon of one neuron to the dendrites or cell body of another.