The frequency of an electromagnetic radiation which makes 2 × 10^6 waves per 50 cm is — Atomic Structure Chemistry Question

💡 Solution & Explanation

Wave number = (2 × 10^6) / 0.5 m = 4 × 10^6 m^-1. ν = c × ν̄ = 3 × 10^8 × 4 × 10^6 = 1.2 × 10^15 Hz.