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The work function of lead is 4.14 eV. What is the cutoff frequency of lead? 1.00 × 1015 Hz 1.61 × 1014 Hz 4.14 × 1014 Hz 8.28 × 1014 Hz 3.21 × 1014 Hz

The work function of lead is 4.14 eV. What is the cutoff frequency of lead? 1.00 × 1015 Hz 1.61 × 1014 Hz 4.14 × 1014 Hz 8.28 × 1014 Hz 3.21 × 1014 Hz

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The work function of lead is 4.14 eV. What is the cutoff frequency of lead? 1.00 × 1015 Hz 1.61 × 1014 Hz 4.14 × 1014 Hz 8.28 × 1014 Hz 3.21 × 1014 Hz

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