The Virtual Exchange of Photons Can Produce

question 15

Multiple Choice

The virtual exchange of photons can produce

• A)a repulsive force.
• B)an attractive force.
• C)either a repulsive or an attractive force.
• D)neither a repulsive nor an attractive force.

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Definitions:

Pancakes

A flat, often thin and round, cake prepared from a starch-based batter that may contain eggs, milk and butter, cooked on a hot surface.

Happiness

A state of well-being and contentment characterized by emotions ranging from contentment to intense joy.

Classical Conditioning

An instructional method where learning arises from the association between a naturally present stimulus and one from the environment.

Relaxed

A state of being free from tension and anxiety.