A Pair of Crossed Polaroids Will Transmit Light

question 22

Multiple Choice

A pair of crossed Polaroids will transmit light

• A)of sufficiently long wavelengths.
• B)that itself is polarized.
• C)if a third Polaroid at about 45 degrees is inserted between the two.

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Definitions:

Business Cycle

The fluctuations in economic activity that an economy experiences over a period of time, characterized by periods of boom and recession.

Marginal Propensity

Marginal propensity, in economics, refers to the fraction of an increase in income that is spent on consumption. It represents the change in consumption resulting from a change in income.

Government Spending

This refers to the total expenditure by government agencies on goods, services, and public works.

Demand for Goods

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