When Photons with a Wavelength of 310

question 69

Multiple Choice

When photons with a wavelength of 310.nm strike a magnesium plate, the maximum velocity of the ejected electrons is 3.45 × 10⁵ m/s.Calculate the binding energy of electrons to the magnesium surface.

• A)32.7 kJ/mol
• B)321 kJ/mol
• C)353 kJ/mol
• D)386 kJ/mol
• E)419 kJ/mol

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