For a single ionised helium atom, the longest wavelength in ground state will absorb

The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) is

The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) is

The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) is

The longest wavelength that the singly ionized helium atom in its ground state will obsorb is

The longest wavelength that the singly ionized helium atom in its ground state will obsorb is

The ratio between acceleration of the electron in singly ionised helium atom and doubly ionised lithium atom (both in ground state ) is

The ratio between acceleration of the electron in singlely ionized helium atom and doublely ionized lithium atom (both in ground state) is (x/27). Find value of x.