italy7710 italy7710 29-05-2024 Physics Answered A system has equally spaced energy levels Ei=E1 , 2E1 , 3E1 ,... for i = 1, 2, 3,... , where E1=1.0×10−20J. What is the population ratio N5/N3 of the fifth and third energy levels at a temperature of 450 K ?