A `H-`like species emitted a photon corresponding to the first line of Lyman series. The photon liberated a photoelectron from `He^(+)` ion in ground state. The de-brogile wavelength of the photoelectron is `2Å` . Select the correct statement (s).

A stationary helium ion emits a photon corresponding to the first line of Lyman series. That photon liberates a photoelectron form a stationary hydrogen atom in ground state. Find the velocity of photoelectron. Take mass of electron =9.11xx10^(-31)kg and ionisation energy of hydrogen atom=13.6ev.

A stationary hydrogen atom emits a photon corresponding to first line of Lyman series. The velocity of recoil of the atom is

[" A stationary "He'" ion emitted a photon corresponding to the first line of the lyman series.The "],[" photon liberates electron from a stationary hydrogen atom in the ground state.The velocity of "],[" the liberated electron is "3.1times10^(@)m/s" .Find "x" (you can make necessary approximations) "],[" [Here by lyman series it is meant that transition is from "n=2" to "n=1" for "He^(+)]]

stationary He^(o+) ion emits a photon corresponding to the first line (H_(4)) of the lyman series .The photon than emitted strikles a if atom in the ground state .Find the velocity of the photoelectron ejected out of the hydrogen atom .The value of R is 1.097 xx 10^(7)m^(-1)

A stationary hydrogen atom emits a photon corresponding to first line of the Lyman series. What velocity does the atom acquire?

A photon of wavelength 6.2 nm is used to emit an electron from the ground state of Li^(2+) . Calculate de Broglie wavelength of the emitted electron .

The ratio of wavelength of photon corresponding to the alpha -line of Lyman series in H-atom and beta - line of Balmer series in He^(+) is :

A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity of recoil of the atom? (m_(H)=1.672xx10^(-27) kg)

The ratio of wave length of photon corresponding corresponding to the alpha -line of Lyman series in H-like and beta-line of Balmer series in He^(+) is