1.

What will be the photon energy for a wavelength of 5000 angstroms, if the energy of a photon corresponding to a wavelength of 7000 angstroms is 4.23 10-19 J?

A. 0.456 eV
B. 5.879 eV
C. 3.701 eV
D. 1.6 10<sup>-19</sup> eV
Answer» D. 1.6 10<sup>-19</sup> eV


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