The ratio of `(E_(2) - E_(1))` to `(E_(4) - E_(3))` for `He^(+)` ion is approximately equal to (where `E_(n)` is the energy of nth orbit ):

The ratio of E _(2) - E_(1) to E_(4) - E_(3) for the hydrogen atom is approximately equal to -

The ratio of (E_2 - E_1) "to" (E_4 - E_3) for the hydrogen atom is approximately equal to.

The ratio (E_2-E_1) to (E_4-E_3) for the hydrogen atom is approximately equal to

E_(1) for He is -54.4 eV . The E_(2) for He^(+) would be

In hydrogen and hydrogen-like atom , the ratio of E_(4 n) - E_(2 n) and E_(2 n) - E_(n) varies with atomic nimber z and principal quantum number n as

In hydrogen and hydrogen-like atom , the ratio of E_(4 n) - E_(2 n) and E_(2 n) - E_(n) varies with atomic nimber z and principal quantum number n as

In hydrogen and hydrogen-like atom , the ratio of E_(4 n) - E_(2 n) and E_(2 n) - E_(n) varies with atomic nimber z and principal quantum number n as