What is the threshold frequency for a surface with work function 4.14 eV? A) 1.00 × 10¹² Hz B) 1.00 × 10¹³ Hz C) 1.00 × 10¹⁴ Hz D) 1.00 × 10¹⁵ Hz E) 1.00 × 10¹⁶ Hz

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Quizplus · Accepted Answer

The threshold frequency (f₀) is calculated using the formula f₀ = φ/h, where φ is the work function (4.14 eV) and h is Planck's constant (4.14 × 10⁻¹⁵ eV·s). This gives f₀ ≈ 1.00 × 10¹⁵ Hz.

What Is the Threshold Frequency for a Surface with Work