Physics · Dual Nature of Radiation and Matter
A metal has a work function of 2 eV. What is the minimum energy required (in joules) to emit an electron from its surface?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16.408 × 10-19 J
- 24.806 × 10-19 J
- 33.204 × 10-19 J✓
- 41.602 × 10-19 J
Correct answer
3.204 × 10-19 J
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