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What is the work function of a metal if the threshold frequency is 5 x 10^14 Hz?

Practice Questions

1 question
Q1
What is the work function of a metal if the threshold frequency is 5 x 10^14 Hz?
  1. 3.1 eV
  2. 2.5 eV
  3. 4.1 eV
  4. 1.6 eV

Questions & Step-by-step Solutions

1 item
Q
Q: What is the work function of a metal if the threshold frequency is 5 x 10^14 Hz?
Solution: The work function φ can be calculated using φ = hf, where h = 6.63 x 10^-34 J.s and f = 5 x 10^14 Hz, giving φ ≈ 3.1 eV.
Steps: 0

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