An Astronomical Telescope Is Made with Lenses of Focal Lengths

question 54

Multiple Choice

An astronomical telescope is made with lenses of focal lengths 80.0 and 2.00 cm. What is the barrel length of this telescope?

• A) 80.0 cm
• B) 82.0 cm
• C) 78.0 cm
• D) 105 cm
• E) 127 cm

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Definitions:

Black Legend

Idea that the Spanish New World empire was more oppressive toward the Indians than other European empires; was used as a justification for English imperial expansion.

Brutal Colonizer

Describes a person or nation that employs harsh and oppressive measures to control and exploit a colony or a territorial possession.

Spain

A country on Europe's Iberian Peninsula, known for its rich history, diverse culture, and significant global influences in exploration, art, and cuisine.

Bartolomé de Las Casas

A 16th-century Spanish historian and Dominican friar who became the first advocate for the rights of indigenous peoples in the Americas.