Which of the following ray has least wavelength? Engineering Materials Mcqs November 22, 2019 BILAL KHATTAK0 A.Cosmic rays B.X-rays C.Ultraviolet rays D.Infra-red rays E.Yellow light rays Related Mcqs: Which rays have the least wavelength? Which of the following has a wavelength shorter than that of violet light? Longest wavelength Which of the following has least wave-length? The Ozone Layer protects the earth from The ‘Solar Corona’ mainly consists of: The proper order from shortest to longest wavelength is ________________. Select the correct statement. Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called __________. Laser is a device to produce