According to the young-helmholtz theory, when both red-sensitive and green-sensitive cones are stimulated simultaneously, a person should see a) red. b) yellow. c) blue. d) green

According to the Young-Helmholtz theory, when both red-sensitive and green-sensitive cones are stimulated simultaneously, a person should see yellow.

Explanation:

At its fundamental level, the Young-Helmholtz theory says that your eyes have small cells which are able to receive beams of light in one of three colours: blue, green and red. The three shades can then be combined to create the full range of light we see.

For eg, yellow light has varying red and green proportions, but little blue, so that every color depends on a combination of the three cones,

e.g. heavy red, medium green, and low blue. Furthermore, the light intensity can be changed without altering the colour, provided that the intensity depends on the strength of the brain discharge, as it can glow a blue-green but retains the same hue.

The system is not perfect as it does not differentiate between yellow and red orange, but can discern small changes in the environment effectively.

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