142008 For a photocell, the work function is ' $\phi$ ' and the stopping potential is ' $V_{s}$ '. The wavelength of the incident radiation can be expressed as

142013 A photon of wavelength $3315 \AA$ falls on a photocathode and an electron of energy $3 \times 10^{-}$
${ }^{9} \mathrm{~J}$ is ejected. The threshold wavelength of photon is [Planck's constant $(h)=6.63 \times 10^{-34}$ J.s, velocity of light (c) $\left.=\mathbf{3} \times \mathbf{1 0}^{8} \mathrm{~m} / \mathrm{s}\right]$

142017 In a photo cell, frequency of incident radiation is increased by keeping other factors constant, $\left(v>v_{0}\right)$, the stopping potential

142022 A Metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum kinetic energy of the emitted photoelectrons would become

142008 For a photocell, the work function is ' $\phi$ ' and the stopping potential is ' $V_{s}$ '. The wavelength of the incident radiation can be expressed as

142013 A photon of wavelength $3315 \AA$ falls on a photocathode and an electron of energy $3 \times 10^{-}$
${ }^{9} \mathrm{~J}$ is ejected. The threshold wavelength of photon is [Planck's constant $(h)=6.63 \times 10^{-34}$ J.s, velocity of light (c) $\left.=\mathbf{3} \times \mathbf{1 0}^{8} \mathrm{~m} / \mathrm{s}\right]$

142017 In a photo cell, frequency of incident radiation is increased by keeping other factors constant, $\left(v>v_{0}\right)$, the stopping potential

142022 A Metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum kinetic energy of the emitted photoelectrons would become

142008 For a photocell, the work function is ' $\phi$ ' and the stopping potential is ' $V_{s}$ '. The wavelength of the incident radiation can be expressed as

142013 A photon of wavelength $3315 \AA$ falls on a photocathode and an electron of energy $3 \times 10^{-}$
${ }^{9} \mathrm{~J}$ is ejected. The threshold wavelength of photon is [Planck's constant $(h)=6.63 \times 10^{-34}$ J.s, velocity of light (c) $\left.=\mathbf{3} \times \mathbf{1 0}^{8} \mathrm{~m} / \mathrm{s}\right]$

142017 In a photo cell, frequency of incident radiation is increased by keeping other factors constant, $\left(v>v_{0}\right)$, the stopping potential

142022 A Metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum kinetic energy of the emitted photoelectrons would become

142008 For a photocell, the work function is ' $\phi$ ' and the stopping potential is ' $V_{s}$ '. The wavelength of the incident radiation can be expressed as

142013 A photon of wavelength $3315 \AA$ falls on a photocathode and an electron of energy $3 \times 10^{-}$
${ }^{9} \mathrm{~J}$ is ejected. The threshold wavelength of photon is [Planck's constant $(h)=6.63 \times 10^{-34}$ J.s, velocity of light (c) $\left.=\mathbf{3} \times \mathbf{1 0}^{8} \mathrm{~m} / \mathrm{s}\right]$

142017 In a photo cell, frequency of incident radiation is increased by keeping other factors constant, $\left(v>v_{0}\right)$, the stopping potential

142022 A Metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum kinetic energy of the emitted photoelectrons would become