Before Light Can Undergo Total Internal Reflection When Incident on Material

question 125

Multiple Choice

Before light can undergo total internal reflection when incident on material 1 from material 2, what must be true of the indices of refraction?

• A) n₁ = n₂
• B) Either n₁ or n₂ must be equal to 1.
• C) n₁ < n₂
• D) n₁ > n₂

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Definitions:

Cognitive Activity

Mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

James-Lange Theory

A theory of emotion suggesting that emotions occur as a result of physiological reactions to events, implying that the body's response precedes the experience of emotion.

Cannon-Bard Theory

A theory of emotion that suggests that physical and emotional responses to stimuli occur simultaneously and independently.

Sympathetic Nervous System Arousal

Activation of the part of the autonomic nervous system that increases heart rate, releases adrenaline, and prepares the body for a 'fight or flight' response.