Three Materials with N₁ < N₂ < N₃ Are Arranged $\theta$

question 97

Multiple Choice

Three materials with n₁ < n₂ < n₃ are arranged in layers of uniform thickness. A light ray in air enters the first layer at an angle of incidence of 40° and the ray eventually exits the third layer at the refracted angle $\theta$ in air. What is the value of $\theta$ ?

• A) Some angle more than 40°.
• B) Insufficient information to answer.
• C) 40°.
• D) Some angle less than 40°.

---

Definitions:

Ethical Grounds

The foundational moral principles or rationale that justify an action or decision.

Public Policy

Principles and actions selected by government entities aimed at addressing public issues and affecting the public domain.

Ideological

Pertaining to or based on a system of ideas, especially concerning economic or political theory and policy.

Neoliberalism

A political and economic philosophy that advocates for free-market capitalism, deregulation, and a reduction in government spending on social services.