Answer:
91.2 nm which in UV light region
Explanation:
Energy E = h v = hc / λ where h is Planck constant, c is speed of light and λ is the wavelength
λ = hc / E = (6.626 × 10 ⁻³⁴ × 3.0 × 10⁸) / 2.179 × 10−18 J = 9.12 × 10⁻⁸ m = 91.2 nm which in UV light region
