A Certain Spectral Line of Hydrogen Has a Wavelength of 410.2

question 94

Multiple Choice

A certain spectral line of hydrogen has a wavelength of 410.2 nm when observed in the laboratory.If the same line appears in a star's spectrum at 410.0 nm,what can you conclude about the motion of the star?

• A)The star is moving away from the observer.
• B)The star is moving toward the observer.
• C)The star is moving but the direction is not known.
• D)The star is not moving toward or away from the observer.

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Definitions:

Minimum Probability

The lowest chance or likelihood of an event occurring, often used in statistical analysis and decision-making processes to evaluate risk.

Costs

The expenses incurred in the production of goods or services, including materials, labor, and overhead.

Firm Indifferent

A state where a business has no preference between two or more choices due to equivalence in outcomes.

Agent's Incentives

The rewards, financial or otherwise, that motivate an agent, such as an employee or representative, to act in the principal's (such as an employer or company) best interests.