What is the energy of a photon in a helium-neon laser beam with wavelength 632.8 nm? - DUAL NATURE OF MATTER AND RADIATION Quiz | GKFix.in

Content protected from screenshots

Question

What is the energy of a photon in a helium-neon laser beam with wavelength 632.8 nm?

A. 1.5 eV
B. 1.96 eV
C. 2.2 eV
D. 2.5 eV

Related Questions