The Idea That Light Could Be Emitted Only in Discrete

question 42

Multiple Choice

The idea that light could be emitted only in discrete chunks, or quanta, instead of in continuous amounts was first put forth to explain which of the following phenomena?

• A) Blackbody radiation.
• B) X-rays.
• C) The spectrum of atomic hydrogen.
• D) Cathode rays.
• E) Radioactive decay.

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Definitions:

Fixed Cost

Fixed cost is a business expense that remains constant regardless of changes in the level of production or sales volumes, such as rent or salaries.

Lawn-mowing

The act of cutting the grass of a lawn to maintain a specified height and neat appearance.

Variable Costs

Expenses that change in proportion to the activity or volume of goods or services produced.

Snow-clearing

Snow-clearing involves the removal of snow from roads, sidewalks, and other public areas to ensure safety and accessibility during winter conditions.