If you stare at a red patch and then look at a red apple, your experience of
the redness of the apple will be weaker.
This theory talks about the cells in the eye adjusting and becoming less
sensitive to any color viewed for a long time. The blue and green cells
become more sensitive and greenish-blue color is seen,
In this scenario, we were told that an individual stared at a red patch and
then looked at a red apple, this will make the redness of the apple to be
weaker.
Read more about Opponent-process theory here https://brainly.com/question/14040779