520.5 eV to nm

520.5 eV = 2.382 nm

eVnm
505.5 eV2.4527
510.5 eV2.4287
515.5 eV2.4051
520.52.382
525.5 eV2.3594
530.5 eV2.3371
535.5 eV2.3153

520.5 eV = 2.382 nm

Formula

E(eV) = 1239.84 ÷ λ(nm) · f(THz) = E(eV) × 241.799 · E = hc/λ = hf