When Photons with a Wavelength of 310

question 8

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

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