A Beam of Light Is Polarized in a Vertical Plane

question 29

Multiple Choice

A beam of light is polarized in a vertical plane and has an intensity I₀.The beam passes through an ideal polarizer and then through an ideal analyzer whose axis is set horizontally.If the axis of the polarizer is set at 60° with the vertical,what is the ratio of the intensity of the final beam to I₀?

• A)0.19
• B)0.25
• C)0.31
• D)0.37
• E)0.43

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Definitions:

Price of X

The cost or monetary value associated with acquiring, producing, or selling a good or service named X.

Quasilinear Preferences

Preferences characterized by a linear relationship in one good and non-linear in others, implying constant marginal utility for the linear good.

Consumer Surplus

The gap between the total price consumers are ready and able to spend for a good or service and what they actually spend.

Inverse Demand Function

A mathematical function that expresses the price of a good or service as a function of the quantity demanded, illustrating how price changes with variations in demand.