The Number of Electrons Per Second Ejected from a Metal

question 24

Multiple Choice

The number of electrons per second ejected from a metal in the photoelectric effect

• A) is proportional to the threshold frequency of the metal.
• B) is proportional to the intensity of the incident light.
• C) is proportional to the wavelength of the incident light.
• D) is proportional to the frequency of the incident light.

---

Definitions:

Variable Costing

A bookkeeping approach that incorporates just the variable costs of production (such as direct materials, direct labor, and variable factory overheads) into the costs of products.

Variable Costing

A costing method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in product costs, excluding fixed overhead.

Net Operating Income

A measure of a company's profitability from its core business operations, excluding deductions of interest and taxes.

Variable Costing

A costing method that includes only variable manufacturing costs in product costs, treating fixed manufacturing overhead as a period expense.