Unpolarized Light of Intensity $I _ { 0 }$ Passed Through an Ideal Polarizing Sheet with Its Polarizing Axis

question 58

Short Answer

Unpolarized light of intensity $I _ { 0 }$ passed through an ideal polarizing sheet with its polarizing axis at the 12 o'clock position and then through a second ideal sheet with its polarizing axis at the 1 o'clock position. What is the intensity of the emerging light in terms of $I _ { 0 }$ ?

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Definitions:

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Commercial Impracticability

A doctrine in contract law allowing parties to be discharged from their obligations when unforeseen events greatly increase the difficulty of performance.

Frustration of Purpose

A legal doctrine allowing for the termination of a contract when an unforeseen event undermines the contract's core purpose, making its performance impossible or radically different.

Nondisclosure Agreements

Legal contracts that prohibit parties from sharing confidential information disclosed during the course of business engagements.