Phenomenon of photoelectric effect shows the quantum nature of electromagnetic radiation. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
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In photoelectric effect, the stopping potential is the least value of negative potential to be applied in a photoelectric tube for which photoelectric current becomes zero. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
Metal B having higher work function of 5 eV will have a lower threshold wavelength. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.