Light is incident normally on a diffraction grating through which the first diffraction is seen at 32^∘.The second order diffraction will be Light is incident normally on a diffraction grating through which the first diffraction is seen at 32^∘.The second order diffraction will be October 27, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - Electromagnetic Waves , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related