A Telescope Has an Angular Magnification of 250 When Used

question 42

Multiple Choice

A telescope has an angular magnification of 250 when used with a 20 mm eyepiece.What is the focal length of the objective lens?

• A)5.0 cm
• B)25 m
• C)5000 cm
• D)5.0 m
• E)2.5 m

---

Definitions:

Homogeneous Oligopoly

A market structure characterized by a few firms producing identical or very similar products, leading to significant inter-firm competition.

Identical Products

Products that are exactly the same in every feature, often used in economic models of perfect competition.

Collusively

Acting in coordination with others, often in secret, to limit competition and manipulate market outcomes, such as setting prices.

Product Demand

The desire and willingness of consumers to purchase a particular good or service at a given price.