1.

The approximate wavelength of a photon of energy 2.48 eV is

A. 500 \[\overset{\text{o}}{\mathop{\text{A}}}\,\]
B. 5000 \[\overset{\text{o}}{\mathop{\text{A}}}\,\]
C. 2000 \[\overset{\text{o}}{\mathop{\text{A}}}\,\]
D. 1000 \[\overset{\text{o}}{\mathop{\text{A}}}\,\]
Answer» C. 2000 \[\overset{\text{o}}{\mathop{\text{A}}}\,\]


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