Which of these colours appears in a pure spectrum of visible light?*1 pointA) BlackB) BrownC) WhiteD) Yellow

When we look at the color of light, which one is the correct answer?a. red: medium wavelengthb. yellow: long wavelengthc. green: non-visible wavelengthd. blue: short wavelengthe. purple: between long and medium wavelength

Which of the following is a primary color of light?

Which of the following is false about color of light ?A) Red is long wavelengthB) Yellow is between short and medium wavelengthC) Green is medium wavelengthD)Blue is Shorth wavelengthE) Human eye cannot see infrared and ultraviolet

Which of the following colours of light is refracted the most?Group of answer choicesvioletredgreen

Which one of the following colors above is not one of Hering's primary colors?A) RedB) GreenC) YellowD) BlueE) Violet