Blue has a higher frequency than violet. Blue has a higher frequency than green. Orange has a lower frequency than red. Violet has a lower frequency than yellow.
I gave my students this multiple choice question: The visible colors listed from shortest to longest wavelength are violet, blue, green, yellow, orange, and red. Which of the following accurately compares the frequency of these colors using this information?

Only one answer is correct among these 4 choices:
- Blue has a higher frequency than violet.
- Blue has a higher frequency than green.
- Orange has a lower frequency than red.
- Violet has a lower frequency than yellow.

Could you tell me which one is correct?

Blue has a higher frequency than green.