1. What is the energy carried by a photon with a wavelength of 650 nm?
(A) 5.1 × 10⁻²⁰ eV
(B) 3.1 × 10⁻¹ eV
(C) 3.2 × 10⁻¹⁹ eV
(D) 2.0 eV
(E) 6.6 × 10⁻⁹ eV

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