The work function of a substance is 4.0 eV. The longest wavelength of light that can…
Chemistry · JEE Main · NTA Exams — Atomic Structure
The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately
- 540 nm
- 400 nm
- 310 nm
- 220 nm
Answer
(C) 310 nm
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