(B) According to Einstein's photoelectric equation,the maximum kinetic energy of an emitted electron is given by $KE_{\max} = h \nu - h \nu_0$.This eq

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The ejected electrons have a distribution of kinetic energy from zero to $(h \nu - h \nu_0)$.

(B) According to Einstein's photoelectric equation,the maximum kinetic energy of an emitted electron is given by $KE_{\max} = h \nu - h \nu_0$.This equation represents the kinetic energy of the most energetic electrons emitted from the surface.However,electrons can also lose energy due to collisions within the metal before escaping the surface.Therefore,the ejected electrons possess a range of kinetic energies starting from $0$ up to the maximum value of $(h \nu - h \nu_0)$.

Class 12 Physics Dual Nature of Radiation and Matter Einstein's Photoelectric Equation and Energy Quantum of Radiation

Easy

In the photoelectric effect,when photons of energy $h \nu$ fall on a photosensitive surface (work function $h \nu_0$),electrons are emitted from the metallic surface. It is possible to say that:

A
All ejected electrons have the same kinetic energy equal to $h \nu - h \nu_0$.
B
The ejected electrons have a distribution of kinetic energy from zero to $(h \nu - h \nu_0)$.
C
The most energetic electrons have kinetic energy equal to $h \nu$.
D
All ejected electrons have kinetic energy $h \nu_0$.

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Dual Nature of Radiation and Matter

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Einstein's Photoelectric Equation and Energy Quantum of Radiation

The graph between the maximum speed $v_{\text{max}}$ of a photoelectron and frequency $(\nu)$ of the incident radiation,in the photoelectric effect,is correctly represented by:

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The work function of sodium is $2.3 eV$. The threshold wavelength of sodium will be ........... $\mathring A $

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The light of two different frequencies whose photons have energies $3.8 \, eV$ and $1.4 \, eV$ respectively,illuminate a metallic surface whose work function is $0.6 \, eV$ successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectively will be

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When electromagnetic radiation is incident on a metallic surface,the maximum kinetic energy of the photoelectrons depends on .......

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When light of wavelength $\lambda$ is incident on a photosensitive surface,the stopping potential is $V$. When light of wavelength $3 \lambda$ is incident on the same surface,the stopping potential is $\frac{V}{6}$. Then the threshold wavelength for the surface is:

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In the photoelectric effect,when photons of energy $h \nu$ fall on a photosensitive surface (work function $h \nu_0$),electrons are emitted from the metallic surface. It is possible to say that:

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The graph between the maximum speed $v_{\text{max}}$ of a photoelectron and frequency $(\nu)$ of the incident radiation,in the photoelectric effect,is correctly represented by:

The work function of sodium is $2.3 eV$. The threshold wavelength of sodium will be ........... $\mathring A $

The light of two different frequencies whose photons have energies $3.8 \, eV$ and $1.4 \, eV$ respectively,illuminate a metallic surface whose work function is $0.6 \, eV$ successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectively will be

When electromagnetic radiation is incident on a metallic surface,the maximum kinetic energy of the photoelectrons depends on .......

When light of wavelength $\lambda$ is incident on a photosensitive surface,the stopping potential is $V$. When light of wavelength $3 \lambda$ is incident on the same surface,the stopping potential is $\frac{V}{6}$. Then the threshold wavelength for the surface is:

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