A Possible Explanation for the Fact That an Isolated Quark

question 7

Multiple Choice

A possible explanation for the fact that an isolated quark has yet to be found is that

• A)the force between quarks varies inversely with their separation.
• B)the potential energy of the quarks decreases with their separation.
• C)the force between quarks is independent of their separation.
• D)the force between quarks varies inversely with the square of their separation.
• E)None of these is correct.

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Definitions:

Horizontal

Describes a direction parallel to the ground or the horizon; at 90 degrees to the vertical.

Groundwater

Water present beneath the Earth's surface in soil pore spaces and in the fractures of rock formations.

Fractures

Breaks in rock or bone, often as a result of stress exceeding the material's internal strength.

Granite

A coarse-grained igneous rock composed mainly of quartz, feldspar, and mica, often used in construction.