No, most electrons get scattered into the metal. Only a few come out of the surface of the metal. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
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(i) No, (ii) Yes, increases on increasing the frequency of incident light. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
To cause photoelectric emission from a metal surface, a minimum amount of energy is required to eject electron. Therefore, frequency of incident radiation must be equal to or greater than a minimum frequency. Class 12 Physics Chapter 11 Dual Nature ...
(i) No electron will be emitted when illuminated by red light. (ii) Electron emission takes place with blue light. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
As stopping potential Vo = 1.5 V, hence maximum kinetic energy of the photoelectrons emitted Kmax = 1.5 eV. Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.