The minimum amount of energy required to just eject an electron from a given metal surface is called the work function for that metal surface. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
Category: Class 12 Physics
NCERT Solutions for Class 12 Physics updated for CBSE academic session 2021-2022.
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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.
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.
As per photon picture of light intensity of light is determined by the number of photons of a given frequency crossing per unit area per unit time. Class 12 Physics Chapter 10 Wave Optics Session 2024-2025.