Question

Which of the following correctly ranks the colors of light listed from lowest to highest energy?violet, indigo, blue, green, yellow, orange, redred, yellow, orange, blue, green, violet, indigoviolet, indigo, green, blue, orange, yellow, redred, orange, yellow, green, blue, indigo, violet

Answer 1

The first fact that could be useful to answer to this question is that:

Red is the lowest energy visible light and violet is the highest.

Then, our list starts with Red.

Now, let me explain the other colors with the following picture:

From red to violet, energy increases. So, the correct answer option for this question would be:

red, orange, yellow, green, blue, indigo, violet