When Light Goes from a Material with a Lower Index

question 49

Multiple Choice

When light goes from a material with a lower index of refraction n₁ into a material with a higher index of refraction n₂ with an angle of incidence of 30.0°, which of the following is true?

• A) the angle of refraction is more than 30.0° and total internal reflection is not possible
• B) the angle of refraction is less than 30.0° and total internal reflection is not possible
• C) the angle of refraction is more than 30.0° and total internal reflection may occur
• D) the angle of refraction is less than 30.0° and total internal reflection may occur

---

Definitions:

Retinal Images

The projections of visual stimuli onto the retina, the light-sensitive layer of tissue at the back of the inner eye, where visual processing begins.

Three-Dimensional

Pertaining to an object, space, or representation that has width, height, and depth, allowing for the perception of volume and physical structure.

Black and White

A phrase often used to describe situations, thinking, or images that are clearly defined and without any grey areas or ambiguity.

Gestalt Principles

A theory of visual perception that emphasizes how people tend to organize visual elements into groups or unified wholes when certain principles are applied.