When a Light Ray Passes, at a Non-90 Degree Angle

question 7

Multiple Choice

When a light ray passes, at a non-90 degree angle, from water into air, it

• A) bends away from the normal.
• B) bends toward the normal.
• C) travels much slower.

---

Definitions:

Labor Price Variance

The difference between the actual cost of labor and the standard cost expected for that labor, used in budgeting and cost management.

Quantity Variance

Quantity variance refers to the difference between the expected and actual quantity of materials or inputs used in the production process, impacting cost.

Standards

Predetermined benchmarks or norms used for measuring performance and setting expectations in various contexts, including production, quality, and accounting.

Budgets

Financial plans that forecast future income, expenditure, and resource allocation, guiding organizational decision-making.