(C) According to Einstein's photoelectric equation,the energy of an incident photon is given by $E = \frac{hc}{\lambda} = W + K_{\max}$.Here,$W$ is th

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is $\left(\frac{1}{e}\right)$ times the maximum kinetic energy of the emitted photoelectrons

(C) According to Einstein's photoelectric equation,the energy of an incident photon is given by $E = \frac{hc}{\lambda} = W + K_{\max}$.Here,$W$ is the work function and $K_{\max}$ is the maximum kinetic energy of the emitted photoelectrons.The stopping potential $V_s$ is defined as the potential required to stop the most energetic photoelectrons,such that $K_{\max} = eV_s$.Therefore,$eV_s = K_{\max}$,which implies $V_s = \frac{K_{\max}}{e}$.Thus,the stopping potential is $\left(\frac{1}{e}\right)$ times the maximum kinetic energy of the emitted photoelectrons.

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

Medium

In an experiment with the photoelectric effect,the stopping potential:

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A
increases with an increase in the wavelength of the incident light
B
increases with an increase in the intensity of the incident light
C
is $\left(\frac{1}{e}\right)$ times the maximum kinetic energy of the emitted photoelectrons
D
decreases with an increase in the intensity of the incident light

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Dual Nature of Radiation and Matter

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Einstein's Photoelectric Equation and Energy Quantum of Radiation

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When a metallic surface is illuminated with radiation of wavelength $\lambda$,the stopping potential is $V$. If the same surface is illuminated with radiation of wavelength $3\lambda$,the stopping potential is $\frac{V}{6}$. The threshold wavelength for the surface is:

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When a metal surface is illuminated by light of wavelength $\lambda$,the stopping potential is $8 \ V$. When the same surface is illuminated by light of wavelength $3 \lambda$,the stopping potential is $2 \ V$. The threshold wavelength for this surface is:

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The maximum kinetic energy of the emitted photoelectrons from a photosensitive material of work function $\phi$,when light of frequency $\nu$ is incident on it,is $E$. If the frequency of the incident light is $3\nu$,the maximum kinetic energy of the emitted photoelectrons is:

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From the figure describing the photoelectric effect,we may infer correctly that:

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When a metal surface is illuminated by light of wavelengths $400\; nm$ and $250\; nm$,the maximum velocities of the photoelectrons ejected are $v$ and $2v$ respectively. The work function of the metal is ($h =$ Planck's constant,$c =$ velocity of light in air).

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In an experiment with the photoelectric effect,the stopping potential:

Similar Questions

When a metallic surface is illuminated with radiation of wavelength $\lambda$,the stopping potential is $V$. If the same surface is illuminated with radiation of wavelength $3\lambda$,the stopping potential is $\frac{V}{6}$. The threshold wavelength for the surface is:

When a metal surface is illuminated by light of wavelength $\lambda$,the stopping potential is $8 \ V$. When the same surface is illuminated by light of wavelength $3 \lambda$,the stopping potential is $2 \ V$. The threshold wavelength for this surface is:

The maximum kinetic energy of the emitted photoelectrons from a photosensitive material of work function $\phi$,when light of frequency $\nu$ is incident on it,is $E$. If the frequency of the incident light is $3\nu$,the maximum kinetic energy of the emitted photoelectrons is:

From the figure describing the photoelectric effect,we may infer correctly that:

When a metal surface is illuminated by light of wavelengths $400\; nm$ and $250\; nm$,the maximum velocities of the photoelectrons ejected are $v$ and $2v$ respectively. The work function of the metal is ($h =$ Planck's constant,$c =$ velocity of light in air).

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