Multiple choice general knowledge science & technology What is the wavelength interval of Blue color? 490–450 nm 560–490 nm 700–630 nm 450–400 nm Reveal answer Fill a bubble to check yourself A Correct answer Explanation Blue light in the visible spectrum has a wavelength range of approximately 450-495 nanometers. The interval 490-450 nm represents this range, with shorter wavelengths corresponding to higher energy.