A Concave Mirror Has Radius R

question 44

Multiple Choice

A concave mirror has radius R.When an object is located a distance 2R from the lens,which describes the image formed?

• A)real,inverted,diminished
• B)real,inverted,enlarged
• C)virtual,upright,diminished
• D)real,inverted,of equal size

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Definitions:

Muscles Contract

The process by which muscle fibers shorten and generate force, typically in response to a signal from the nervous system.

Muscle Tone

A state of muscle contraction in which a portion of the fibers are contracted while others are at rest.

Extensor Muscle

A muscle that extends or straightens a limb or part of the body, working in opposition to flexor muscles.

Triceps

The posterior muscles of the arm that work as a team with the biceps; the triceps straighten the elbow.