He ions emits two photons in succession with wavelength 1085

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An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites to a higher level. After the collision, He ions emits two photons in succession with wavelength 1085
11
Sep
An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites to a higher level. After the collision, He ions emits two photons in succession with wavelength 1085 An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites [...]
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Tags: An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites to a higher level. After the collision , He ions emits two photons in succession with wavelength 1085 ,