Segmented Mirrors Sag Under Their Own Weight

question 15

Multiple Choice

Segmented mirrors sag under their own weight. Their optical shape must be controlled by computer-driven thrusters under the mirrors in what is called

• A) an achromatic lens.
• B) active optics.
• C) a Schmidt-Cassegrain design.
• D) a Newtonian design.
• E) interferometry.

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Definitions:

Leaderless Group Discussion

An assessment center exercise in which a team of five to seven employees is assigned a problem and must work together to solve it within a certain time period.

Team

A group of individuals working together towards a common goal or objective.

Solve

The act of finding a solution to a problem or challenge.

Demote

The action of reducing someone's rank or position, usually as a disciplinary measure or organizational restructuring.