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[" The work function of a photosensitive...

[" 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) "],[[" (a) "3100nm," (b) "966nm],[" (c) "31nm," (d) "310nm],[" (c) "31nm," (d) "310nm]],[" (c) "31nm," (Odisha NEET "2019)]

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