The Theory That Assumes There Are Three Types of Colour

question 197

Multiple Choice

The theory that assumes there are three types of colour receptors in the retina and that individual cones are most sensitive to one of the three wavelengths of light is called _______________.

• A)Young-Helmholtz trichromatic theory
• B)opponent-process theory
• C)Hering's theory
• D)transduction theory

---

Definitions:

Ossicles

Ossicles are the three small bones in the middle ear (the malleus, incus, and stapes) that transmit sound vibrations from the eardrum to the inner ear.

Olfaction

The sense of smell, a chemical sensing system that detects odor molecules in the environment.

Sense

A faculty by which the body perceives an external stimulus; one of the faculties of sight, smell, hearing, taste, and touch.

Refracted

Refracted refers to the bending of a wave, such as light or sound, as it passes through a medium, which changes its speed and direction.