The Angular Magnification of a Refracting Telescope Is 40

question 67

Multiple Choice

The angular magnification of a refracting telescope is 40.When the object and final image are both at infinity,the distance between the eyepiece and the objective is 143.5 cm.The telescope is used to view a distant radio tower.The real image of the tower,formed by the objective,is 6.0 mm in height.The focal point of the eyepiece is positioned at the real image.What is the angle subtended by the final image of the tower?

• A)0.15 rad
• B)0.17 rad
• C)0.19 rad
• D)0.21 rad
• E)0.23 rad

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Definitions:

Inferior Good

A type of good for which demand decreases as the income of the consumer increases, opposite of a normal good.

Downsloping

Refers to a curve or line moving downwards on a graph, often used in economics to describe demand curves where price and quantity demanded move in opposite directions.

Demand and Supply

The fundamental economic concept that describes the amount of a specific good or service that is available to consumers and the desire of consumers for it, considered as functions of its price.

Consumer Incomes

The total amount of money earned by consumers from various sources like wages, investments, and government benefits, which affects their purchasing power and economic behavior.