A Polarizer (With Its Preferred Direction Rotated 30° to the Vertical)

question 16

Multiple Choice

A polarizer (with its preferred direction rotated 30° to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

• A)0.25.
• B)0.50.
• C)0.63.
• D)0.87.
• E)0.75.

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Definitions:

Activity Changes

Refers to alterations in the volume or pace of operations or transactions within a business over a period.

Variable Costs

Costs that vary directly with the level of production or volume of output, such as raw materials and labor directly involved in manufacturing.

Activity Levels

A measure used in cost accounting to evaluate the relation between the cost of a particular activity and the level of activity executed.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, determined by the proportion of fixed versus variable costs a company has.