You are SCUBA diving with a friend, who is wearing a red and purple wetsuit. You both descend and conduct your underwater research at 30 m. What color(s) does her wetsuit appear at this depth?
A) black and dark blue.
B) dark blue and purple.
C) dark green and black.
D) dark red and black.

Question

Quizplus · Accepted Answer

At a depth of 30 m, red and purple colors get absorbed, leaving only the colors with shorter wavelengths visible. This means that the wetsuit, which reflects red and purple, will appear as black and dark blue underwater.

You Are SCUBA Diving with a Friend, Who Is Wearing