The Diagram Shows a Plot of the Potential Energy as a Function

question 43

Multiple Choice

The diagram shows a plot of the potential energy as a function of x for a particle moving along the x axis. The points of unstable equilibrium are:

• A) only a
• B) only b
• C) only c
• D) only d
• E) b and d

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Definitions:

Fovea

A small depression in the retina where visual acuity is highest due to the concentration of cones.

Optic Disk

The point in the eye where the optic nerve fibers exit the retina, often referred to as the blind spot because it lacks photoreceptors.

Ganglion Cells

Neurons whose axons form the optic nerve.

Axon Terminals

The endpoints of axons where neurotransmitters are released to communicate with neighboring neurons or muscle cells.