Categories > Dual Nature of Radiation and Matter > Photon and Photoelectric Effect > Light of wavelength 4000 Å falls on a photosensitive metal and a negative 2V potential stops the emitted electrons. The work function of the material (in eV) is approximately $(h = 6.6 \times {10^{ - 34}}Js,\;\;e = 1.6 \times {10^{ - 19}}C,\;\;c = 3 \times {10^8}m{s^{ - 1}})$

Dual Nature of Radiation and Matter

Question: Light of wavelength 4000 Å falls on a photosensitive metal and a negative 2V potential stops the emitted electrons. The work function of the material (in eV) is approximately $(h = 6.6 \times {10^{ - 34}}Js,\;\;e = 1.6 \times {10^{ - 19}}C,\;\;c = 3 \times {10^8}m{s^{ - 1}})$


1) 1.1
2) 2.0
3) 2.2
4) 3.1
Solution: Explanation: No Explanation
Photon and Photoelectric Effect

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