Which One of the Following Experiments Provided Evidence That Atoms

question 140

Multiple Choice

Which one of the following experiments provided evidence that atoms contained small massive nuclei with positive charges?

• A)Bunsen and Kirchoff's flame test
• B)Fraunhofer lines
• C)the Rutherford-Geiger-Marsden experiment
• D)Thomson's experiments with cathode ray tubes
• E)Millikan's oil-drop experiment

---

Definitions:

Break-Even Point

The point at which total costs and total revenue are equal, resulting in no net gain or loss.

Variable Cost

A cost that changes in proportion to the level of output or activity.

Variable Costs

Costs that vary directly with the level of production or output, such as materials and labor.

Contribution Margin

The selling price per unit, minus the variable cost per unit, used to determine the profitability of products or services.