Two Lenses, the First with Focal Length −12

question 14

Multiple Choice

Two lenses, the first with focal length −12.5 cm and the second with focal length 20.0 cm, are separated by 15.0 cm. If an object is placed 50.0 cm in front of the first lens, what is the total magnification?

• A) 20.0
• B) −20.0
• C) 1.25
• D) −1.25
• E) −0.800

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Definitions:

Spiritual Distress

A state of suffering related to the impaired ability to experience and integrate meaning and purpose in life through connectedness with self, others, art, music, literature, nature, or a power greater than oneself.

Vegetative Signs

Physical symptoms primarily involving disruptions to sleep, eating habits, energy, and sexual activity, often associated with major depressive disorder.

Imbalanced Nutrition

A state where nutritional intake does not meet the body's needs, leading to undernutrition or overnutrition and affecting overall health.

Sexual Dysfunction

A disorder that prevents an individual from experiencing satisfaction from sexual activity, which can encompass a range of issues from desire to performance.