A diffraction is obtained by using a beam of red light. What will happen if the red light is replaced by the blue light? A diffraction is obtained by using a beam of red light. What will happen if the red light is replaced by the blue light? October 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related