An Object Is Placed at a Distance of 20

question 17

Multiple Choice

An object is placed at a distance of 20.4 cm from a thin convex lens along its axis.The lens has a focal length of 13.0 cm.What are the values,respectively,of the image distance and magnification?

• A)7.94 cm and 0.569
• B)35.8 cm and - 0.363
• C)7.40 cm and -1.76
• D)35.8 cm and -1.76
• E)7.40 cm and - 0.363

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Definitions:

High-Frequency

Pertains to occurrences, signals, or phenomena that have a high rate of repetition or occurrence within a given time frame, often used in the context of electromagnetic waves or sound.

Low-Frequency

Pertaining to waves, sounds, or vibrations that have a relatively small number of cycles per second, often resulting in deeper or bass tones.

Biopsychosocial Approach

An interdisciplinary model that looks at the interconnection between biology, psychology, and socio-environmental factors in human health and illness.

Gate-Control Theory

A theory that suggests that the spinal cord contains a neurological "gate" that either blocks pain signals or allows them to continue on to the brain.