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

question 11

Multiple Choice

The Yerkes refracting telescope has a 1-m-diameter objective lens of focal length 20 m and an eyepiece of focal length 3.5 cm.What is the magnification of the planet Mars as seen through this telescope?

• A)140
• B)280
• C)570
• D)1,000
• E)​35

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Definitions:

Material Contradictions

Discrepancies or conflicts within the material aspects of a society, such as economic disparities or contradictions between productive forces and relations of production.

Social Change

Significant alteration over time in behavior patterns, cultural values and norms, and social structures.

Dialectical Philosophers

Thinkers who employ the dialectical method, involving the logic of contradiction and opposition, to explore and understand social and philosophical issues.

Social Psychologists

Specialists in a field of psychology that examines how social influences affect individual behavior, thoughts, and feelings.