The Yerkes Refracting Telescope Has a 1-M Diameter Objective Lens

question 1

Multiple Choice

The Yerkes refracting telescope has a 1-m diameter objective lens of focal length 20 m and an eyepiece of focal length 2.0 cm.What is the magnification of the planet Mars as seen through this telescope?

• A) 800
• B) 1000
• C) 400
• D) 200

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Definitions:

Recall

The act of retrieving information or events from memory without the explicit cues provided for in recognition tasks.

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A slow-moving, terrestrial or freshwater mollusk with a soft, unsegmented body encased in a typically spiral shell.

Caterpillar

The larval stage of a butterfly or moth, characterized by its segmented body and growth through molting.

Turtle

A reptile characterized by a shell covering its body, which allows it to retract its head and limbs for protection; they can live in aquatic or terrestrial habitats.