Unpolarized Light Is Passed Through Three Successive Polaroid Filters, Each

question 41

Multiple Choice

Unpolarized light is passed through three successive Polaroid filters, each with its transmission axis at 45.0° to the preceding filter. What percentage of light gets through?

• A) 0%
• B) 12.5%
• C) 25.0%
• D) 50.0%
• E) 33.3%

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Definitions:

Periodic Method

An accounting inventory system where updates to the inventory records are made periodically at the end of an accounting period.

Net Purchases

The total amount of purchases minus purchase returns, allowances, and discounts received during a specific period.

Gross Profit

The difference between the revenue generated from goods or services sold and the cost of goods sold (COGS), before deducting overhead, payroll, taxation, and interest payments.

Operating Expenses

Expenses incurred during the ordinary course of business operations, including costs related to sales, administration, and general activities.