Three Lenses, Each of Focal Length 90 Cm, Are Placed

question 61

Multiple Choice

Three lenses, each of focal length 90 cm, are placed in contact. What is the focal length of the combination?

• A) 27 cm
• B) 93 cm
• C) 1/30 cm
• D) 45 cm
• E) 30 cm

Recognize the role of DNA and genes in transmitting hereditary information and their impact on organism attributes.

Understand the integrated operations of the autonomic and somatic divisions of the peripheral nervous system.

Understand Freud's psychosexual stages of development and their importance in personality development.

Describe and distinguish among various defense mechanisms and their role in handling psychological stress.

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Definitions:

Profit-Maximizing

A strategy or process by which a firm decides on the price and output level that leads to the highest profit.

Total Revenue

The total amount of money received by a company for goods sold or services provided during a certain time period.

Monopoly Power

The ability of a single seller in a market to control prices and exclude competition, often leading to inefficiencies and consumer harm.

American Consumers

Individuals or households in the United States engaging in the consumption of goods and services.