The energy gap in a semiconductor is 1 eV. The wavelength of the emitted radiation when an electron recombines with a hole is
Q1. The energy gap in a semiconductor is 1 eV. The wavelength of the emitted radiation when an electron recombines with a hole is
Answer: 1240 nm
Explanation: λ = hc/E = (6.626 × 10^-34 × 3 × 10^8) / (1.6 × 10^-19 × 1) = 1240 nm, using the formula for energy of a photon.