phtoelectron are emitted when `4000A^(0)` radiation is incident on a surface of work fuction `1.9eV`. these photoelectrons pass through a region has a- particles to form `He^(+)` ion, emitting a single photon in this process `He^(+)` ions thus formed are in their fourth excited state.
Energy of emitted photon in range of `3eV` & `4eV` after combination is

photoelectron are emitted when 4000A^(0) radiation is incident on a surface of work fuction 1.9eV . these photoelectrons pass through a region has a- particles to form He^(+) ion, emitting a single photon in this process He^(+) ions thus formed are in their fourth excited state. Energy of the fourth excited state is approx

phtoelectron are emitted when 4000A^(0) radiation is incident on a surface of work fuction 1.9eV . these photoelectrons pass through a region has a- particles to form He^(+) ion, emitting a single photon in this process He^(+) ions thus formed are in their fourth excited state. Energy released during during the combination of He^(+) ions is

Photoelectrons are emitted when 400 nm radiation is incident on a surface of work - function 1.9 eV. These photoelectrons pass through a region containing a-particles. A maximum energy electron combines with an a -particle to from a He^+ ion, emitting a single photon in this process. He^+ ions thus formed are in their fourth excited state. Find the energies in eV of the photons lying in the 2 to 4 eV range, that are likely to be emitted during and after the combination. [Take, h = 4.14xx10^(-15) eV -s]

Photoelectrons are emitted when 400 nm radiation is incident on a surface of work - function 1.9 eV. These photoelectrons pass through a region containing a-particles. A maximum energy electron combines with an a -particle to from a He^+ ion, emitting a single photon in this process. He^+ ions thus formed are in their fourth excited state. Find the energies in eV of the photons lying in the 2 to 4 eV range, that are likely to be emitted during and after the combination. [Take, h = 4.14xx10^(-15) eV -s]

photoelectrons are emited when 40 nm radiation is incident on a surface of work function 1.9 eV These photoelectron pass tjhrough a ragain cotaining a - particle A maximum energy electron conbines with an a - particle to from a He^(+) ion emitting a single photon in this process He^(+) ions thus formed are in their fourth excited state find the energies in eV of the photons typing is the 2 to 4 eV rage, that are likrly to be emitted during and after the combiution [Take h = 4014 xx 10^(-15) eV s]

Photoelectrons are emitted when 400 nm radiation is incident on a surface of work - function 1.9 eV. These photoelectrons pass through a region containing alpha -particles. A maximum energy electron combines with an alpha -particle to from a He^+ ion, emitting a single photon in this process. He^+ ions thus formed are in their fourth excited state. Find the energies in eV of the photons lying in the 2 to 4 eV range, that are likely to be emitted during and after the combination. [Take, h = 4.14xx10^(-15) eV -s]

When the light of wavelength 400 nm is incident on a metal surface of work function 2.3 eV , photoelectrons are emitted. A fasted photoelectron combines with a He^(2+) ion to form He^(+) ion in its third excited state and a photon is emitted in this process. Then the energy of the photon emitted during combination is

When the light of wavelength 400 nm is incident on a metal surface of work function 2.3 eV , photoelectrons are emitted. A fasted photoelectron combines with a He^(2+) ion to form He^(+) ion in its third excited state and a photon is emitted in this process. Then the energy of the photon emitted during combination is

When photon of energy 3.8 eV falls on metallic suface of work function 2.8 eV , then the kinetic energy of emitted electrons are