A ray of light having wavelength 720 nm enters in a glass of refractive index 1 × 5. The wavelength of the ray within the glass will be A ray of light having wavelength 720 nm enters in a glass of refractive index 1 × 5. The wavelength of the ray within the glass will be October 23, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 16 - Waves , Chapter 28 - Electromagnetic Waves , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related