AIEEE 2004 Physics Solved Paper

Section: Physics

Question : 67 of 78

Marks: +1, -0

The work function of a substance is 4.0‌eV. The longest wavelength of light that can cause photo-electron emission from this substance is approximately.

[AIEEE 2004]

310 nm
400 nm
540 nm
220 nm

Validate

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