A Ray of Light Traveling in Air Enters the End $\theta$

question 67

Multiple Choice

A ray of light traveling in air enters the end of a rectangular block of a material that has an idex of refraction n = 1.35. The largest value of the angle $\theta$ for which total internal reflection occurs at the upper surface of the material is approximately

• A) 75º
• B) 48º
• C) 56º
• D) 78º
• E) None of these is correct.

---

Definitions:

Competent Progress

This term might refer to the effective and efficient advancement or improvement in a particular skill or area of knowledge. If not a recognized key-term, then NO.

Workplace Relationships

The social interactions and bonds formed between colleagues in a professional setting, which can impact job satisfaction and productivity.

Psychological Stressors

Events, situations, or stimuli that cause stress and can affect an individual's psychological well-being.

Immune System

The body’s defense mechanism against infectious organisms and other invaders, comprising various cells, tissues, and organs that work together to protect the body.