An Astronomical Refracting Telescope Is Made from Two Lenses $262 \mathrm {~cm}$

question 59

Multiple Choice

An astronomical refracting telescope is made from two lenses. The objective lens has a focal length of 114 cm, and the eyepiece lens has a focal length of 17.0 cm.
(a) What is the total length of the telescope?
(b) What is the angular magnification of the telescope?
(c) What is the magnification by turning the telescope around and looking through the objective
Lens first?

• A) (a) \(262 \mathrm {~cm}\)
• (b) \(0.87\)
• (c) \(1.15\)
• B) (a) \(131 \mathrm {~cm}\)
• (b) \(6.71\)
• (c) \(0.15\)
• C) (a) \(194 \mathrm {~cm}\)
• (b) \(1.18\)
• (c) \(0.85\)
• D) (a) \(97 \mathrm {~cm}\)
• (b) \(0.15\)
• (c) \(6.71\)

Understand the basic principles and implications of political power distribution theories.

Identify the impact of political theories on understanding societal structure.

Recognize the role of elite and power groups in political participation and governance.

Understand the historical milestones in democratic participation.

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Definitions:

Co-action Effect

A phenomenon where the presence of others engaged in the same task can improve individual performance.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically improving on well-practiced tasks.

Achievement Motivation

Factors that move people to seek success in academic settings.

Social Loafing

The tendency of individuals to exert less effort on a task when working in a group than when working alone.