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If a metal has a work function of 3 eV, what is the maximum wavelength of light that can cause photoemission?

Practice Questions

1 question
Q1
If a metal has a work function of 3 eV, what is the maximum wavelength of light that can cause photoemission?
  1. 400 nm
  2. 500 nm
  3. 600 nm
  4. 700 nm

Questions & Step-by-step Solutions

1 item
Q
Q: If a metal has a work function of 3 eV, what is the maximum wavelength of light that can cause photoemission?
Solution: Maximum wavelength (λ) = hc/Φ = (1240 nm·eV)/(3 eV) = 413.33 nm.
Steps: 0

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