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Wave nature of light cannot explain photoelectric effect because in photoelectric effect, it is seen that

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Important Questions on Dual Nature of Radiation and Matter

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 3

In photoelectric effect, the curve between photoelectric current and anode potential V (for different frequencies) is shown in figure, then

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 4
When a point source of light is at a distance of 50 cm from a photoelectric cell, the cut-off voltage is found to be V0. If the same source is placed at a distance of 1 m from the cell, then the cut-off voltage will be
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 5
When photon of energy 3.8eV falls on metallic surface of work function 2.8eV, then the kinetic energy of emitted electrons are
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 6
The photoelectric work function
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 7
The phenomenon of photoelectric effect was first explained by
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 8
The energy of the most energetic photoelectrons emitted from a metal target depends upon
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 9
Threshold wavelength for sodium is 6×10-7 m. Then photoemission occurs for light of wavelength λ if
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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 10
When a centimeter thick surface is illuminated with light of wavelength λ, stopping potential is V. When the same surface is illuminated by light of wavelength 2λ, stopping potential is V/3. Threshold wavelength for metallic surface is :