The energy of a photon is E=hfE = hfE=hf. If h=6.626×10−34 J⋅sh = 6.626 \times 10^{-34} \text{ J}\cdot\text{s}h=6.626×10−34 J⋅s and f=5×1014 Hzf = 5 \times 10^{14} \text{ Hz}f=5×1014 Hz, what is the energy in Joules?
3.313×10−19 J3.313 \times 10^{-19} \text{ J}3.313×10−19 J
33.13×10−19 J33.13 \times 10^{-19} \text{ J}33.13×10−19 J
0.3313×10−19 J0.3313 \times 10^{-19} \text{ J}0.3313×10−19 J
6.626×10−19 J6.626 \times 10^{-19} \text{ J}6.626×10−19 J