Light with the Wavelength of Peak Intensity from a Star

question 70

Multiple Choice

Light with the wavelength of peak intensity from a star can just barely produce photoelectrons from manganese (φ = 4.1 eV) . What is the temperature of the star?

• A) 960 K
• B) 23000 K
• C) 9600 K
• D) 96000 K
• E) 2300 K

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