What Is the Energy of a Photon That Has the Same

question 28

Multiple Choice

What is the energy of a photon that has the same wavelength as a 24 eV electron? (h = 6.63 × 10−³⁴ J⋅s,m_e = 9.11 × 10−³¹ kg)

• A) 24 eV
• B) 14 × 10^-16 eV
• C) 3.5 keV
• D) 5.0 keV

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