In Comparing the Dark Fraunhofer Lines with Light Emitted by Elements

question 130

Multiple Choice

In comparing the dark 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 has dark lines.
• C)helium may be found in minerals that contain uranium.
• D)electrons are responsible for the absorption and emission of electromagnetic radiation.
• E)the solar spectrum has bright lines.

---

Definitions:

Proprietary Fund

A type of fund used in governmental accounting that is used to account for activities similar to those found in the private sector, where the payment of fees by external users for goods or services provided by the fund is the principal source of revenue.

Special Tax Levy

A tax imposed for a specific purpose, often by local or state governments, beyond regular taxing mechanisms.

Environmental Preservation

Actions and policies aimed at protecting the natural environment from degradation and pollution to ensure its health and sustainability for future generations.

Derived Tax Revenue

Income obtained by government authorities through taxation that is influenced or generated from specific business activities or transactions.