Physics

Problem

A detector registers single photons whose energies are listed below. Which photon is most likely to be perceived by the human eye as red light? a)

4.5\times10^{-19}\,\text{J}

2.8\times10^{-19}\,\text{J}

3.3\times10^{-19}\,\text{J}

1.5\times10^{-20}\,\text{J}