In Comparing the Fraunhofer Lines with Light Emitted by Elements

question 93

Multiple Choice

In comparing the Fraunhofer lines with light emitted by elements in a flame, Bunsen and Kirchhoff demonstrated that _______.

• A)atoms emit and absorb electromagnetic radiation at characteristic wavelengths.
• B)the solar spectrum is continuous.
• C)alkali metals absorb and emit the same wavelengths.
• D)nuclear reactions are responsible for the absorption and emission of electromagnetic radiation.
• E)the sun's composition is changing over time.

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Definitions:

Rehearsal

A cognitive process of repeatedly practicing or going over information to enhance memory retention.

Memory Performance

Refers to the efficiency and effectiveness of an individual's ability to store, recall, and use information.

Confidence

The conviction or assurance in depending on someone or something with absolute confidence.

Flashbulb Memories

Highly detailed and emotionally charged memories that are formed during significant or traumatic events, believed to be exceptionally vivid and durable.