When a Particle of Energy E Encounters the Step Function

question 26

Multiple Choice

When a particle of energy E encounters the step function shown in the figure,

• A) the classical and quantum-mechanical descriptions are in agreement provided E < U₀.
• B) the wave function does not go to zero at x = 0 but rather decays exponentially.
• C) the particle will sometimes be transmitted and sometimes reflected if E > U₀.
• D) the wavelength of the particle changes abruptly at x = 0 if E > U₀.
• E) All of these are true.

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Definitions:

Bile

A digestive fluid produced by the liver, stored in the gallbladder, and released into the small intestine to aid in the digestion and absorption of fats.

Bloodstream

The flowing blood within the circulatory system of the body, carrying oxygen, nutrients, and waste products to and from the cells.

Colitis

Colitis is the inflammation of the inner lining of the colon and is associated with symptoms like abdominal pain, cramping, and diarrhea.

Colon

The part of the large intestine, extending from the cecum to the rectum, that absorbs water and salts from food remnants.