Which of the Following Is a Plausible Example of a Doppler

question 34

Multiple Choice

Which of the following is a plausible example of a Doppler blueshift?

• A)A star appears to have a much higher temperature when moving toward the Earth than when moving away.
• B)An ambulance's siren changes to a higher pitch as it speeds toward you.
• C)A star's colour becomes redder as it moves away from the Earth.
• D)A moving train's whistle shifts to a frequency so high that humans can't hear it.

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Definitions:

Alderfer

Refers to Clayton Alderfer's ERG theory on human needs and motivation, classifying needs into Existence, Relatedness, and Growth categories.

McClelland

Refers to David McClelland, a psychologist known for his work on motivation, specifically the theory of Needs which includes Achievement, Power, and Affiliation.

Social Level

The standing or rank of an individual or group within the structure of a society, often determined by factors like occupation, income, or education.

Maslow's Hierarchy

A psychological theory proposed by Abraham Maslow that suggests human needs are arranged in a hierarchy, from basic physiological needs to self-actualization.