Two Converging Lenses, the First with Focal Length 40 Cm

question 18

Multiple Choice

Two converging lenses, the first with focal length 40 cm and the second with focal length 33¹/₃ cm, are separated by 10.0 cm. An object of height 6.0 cm is placed 20.0 cm in front of the first lens. Where is the final image formed?

• A) 10 cm before the first lens
• B) 50 cm before the first lens
• C) 50 cm after the second lens
• D) 100 cm after the second lens
• E) 33¹/₃ cm after the second lens

Recognize the structure of a topic sentence and how it introduces the main idea of a paragraph.

Understand the concept of ambivalence and how it can affect decision-making.

Identify the role of emoticons in enhancing written communication.

Understand the concept of defining terms and concepts in various ways.

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Definitions:

Demand-Side Market Failures

Underallocations of resources that occur when private demand curves understate consumers’ full willingness to pay for a good or service.

Supply Curve

Represents the relationship between the price of a good or service and the quantity of that good or service that a supplier is willing and able to supply to the market.

Willingness To Pay

The maximum amount a consumer is prepared to spend to acquire a good or service, reflecting its perceived value.

Full Cost

The total expense associated with producing a product or providing a service, including both direct and indirect costs.