The Index of Refraction of Plate Glass Is 1

question 60

Multiple Choice

The index of refraction of plate glass is 1.50.The polarizing angle for light incident from air is

• A)8.6º
• B)33.7º
• C)56.3º
• D)81.5º
• E)90º

---

Definitions:

Variable Cost

Expenses that vary directly with the level of production or sales, such as materials and labor costs.

Pretax Income

Pretax income is the amount of income earned by a business before taxes have been deducted.

Fixed Costs

Costs that do not change with the level of production or sales volume, such as rent or salaries.

Variable Costs

Costs that vary in direct proportion to changes in the level of production or sales volume.