From Laboratory Measurements,we Know That a Particular Spectral Line Formed

question 86

Multiple Choice

From laboratory measurements,we know that a particular spectral line formed by hydrogen appears at a wavelength of 121.6 nanometers (nm) .The spectrum of a particular star shows the same hydrogen line appearing at a wavelength of 121.8 nm.What can we conclude?

• A)The star is moving toward us.
• B)The star is moving away from us.
• C)The star is getting hotter.
• D)The star is getting colder.
• E)The "star" actually is a planet.

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Definitions:

Leader Categorization Theory

A leadership theory suggesting that people have preconceived notions of what makes a good leader and assess leadership ability by how well someone fits these molds.

Implicit Leadership Theory

A theory that suggests individuals have preconceived notions about what leadership traits and behaviors constitute an effective leader, influencing how they evaluate and respond to leadership.

Adaptive Response

A biological or behavioral adjustment that improves an organism's ability to survive and reproduce.

Prehistoric Ancestors

The predecessors of modern humans who lived in the prehistorical era, a time period before written records.