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DUAL NATURE OF MATTER AND RADIATION
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Question
What is the momentum of a photon with wavelength 632.8 nm?
A. 8.2 × 10⁻²⁸ kg·m/s
B. 9.4 × 10⁻²⁸ kg·m/s
C. 1.05 × 10⁻²⁷ kg·m/s
D. 1.2 × 10⁻²⁷ kg·m/s
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