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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 29 - Dual Nature of Matter and Radiation > The work function of a photosensitive material is 4.0 eV. The longest wavelength of light that can cause photon emission from the substance is​ (approximately)

The work function of a photosensitive material is 4.0 eV. The longest wavelength of light that can cause photon emission from the substance is​ (approximately)

The work function of a photosensitive material is 4.0 eV. The longest wavelength of light that can cause photon emission from the substance is​ (approximately)