Which of the following colours has the longest wavelength (i.e., is highest in nanometres)?

Name: Which of the following colours has the longest wavelength (i.e., is highest in nanometres)?
Brand: Quizplus
Rating: 4.8 (46 reviews)

Question

Quizplus · Accepted Answer

Red has the longest wavelength among the given colors, ranging from approximately 630 to 740 nanometres, while yellow has a wavelength of 570 to 590 nanometres, green has a wavelength of 495 to 570 nanometres, and blue has a wavelength of 450 to 490 nanometres.

Which of the Following Colours Has the Longest Wavelength (I