Refer to the Figure

question 68

Multiple Choice

Refer to the figure. A Type II Cepheid has been located in a distant globular cluster with a period of 10 days. What is the star s absolute magnitude?

• A) - 1
• B) 0
• C) - 4
• D) - 6
• E) The absolute magnitude of a Cepheid variable cannot be determined unless its distance is known.

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Definitions:

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically showing improved performance on simple or well-rehearsed tasks.

Audience

A group of people who gather to watch, listen to, or read something, or who are targeted to receive a specific message or product.

Performance

The act of carrying out a task or function; how well an individual or group executes a given task.

Majority Influence

The effect that the larger group has on individuals causing them to conform or change their opinions to align with the group's.