Question:-_____ has a longer wavelength than _____. _____ has a longer wavelength than _____.
a) Blue … Green
b) Violet … Blue
c) Red … Green
d) Yellow … Red
Answer: a) Blue … Green
In the electromagnetic spectrum, red light is with longer wavelength than green light, and green light a longer wavelength than blue and purple lights. Visible light wavelengths range from red to violet, with the longest wavelength belonging to red and the shortest wavelength belonging to violet