In a mixture of `H- He^(+)` gas (`He+ `is singly ionized He atom), `H` atom and `He+` ions are excited to their respective first excited state. Subsequently `H` atoms transfer their total excitation energy to `He+` ions (by collisions) Assume that the bohr model of atom is exactly valid. The ratio of the kinetic energy of the `n = 2` electron for the `H` atom to the of `He^(+)` lon is -A. `(1)/(4)`B. `(1)/(2)`C. 1D. 2

In a mixture of `H- He^(+)` gas (`He+ `is singly ionized He atom), `H`

1.	In a mixture of `H- He^(+)` gas (`He+ `is singly ionized He atom), `H` atom and `He+` ions are excited to their respective first excited state. Subsequently `H` atoms transfer their total excitation energy to `He+` ions (by collisions) Assume that the bohr model of atom is exactly valid. The ratio of the kinetic energy of the `n = 2` electron for the `H` atom to the of `He^(+)` lon is -A. `(1)/(4)`B. `(1)/(2)`C. 1D. 2
Answer» kinetic energy, `K prop Z^(2)` `(K_(H))/(K_(He^(+))) = ((1)/(2)^(2) = (1)/(4)`

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