What Is the Energy (In EV)of an Optical Photon of Frequency

Multiple Choice

What is the energy (in eV) of an optical photon of frequency $6.43 \times 10 ^ { 14 } \mathrm {~Hz}$ (h = 6.626 × 10^-34 J ? s, 1 eV = 1.60 × 10^-19 J)

A) 2.66 eV
B) 1.62 eV
C) 1.94 eV
D) 3.27 eV