Physics · Dual Nature of Radiation and Matter
The work function of a photosensitive material is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from the substance is approximately:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1966 nm
- 23100 nm
- 3310 nm✓
- 431 nm
Correct answer
310 nm
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