If the wavelength of 1st line of Balmer series of hydrogen is 6561 Å, the wavelength of the 2nd line of series will be If the wavelength of 1st line of Balmer series of hydrogen is 6561 Å the wavelength of the 2nd line of series will be November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - Atoms , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related