Atoms and Nucle...

The energy of a hydrogen atom in the ground state is –13.6eV. The energy of a He⁺ ion in the first excited state will be

Which of these is non-divisible?

An electron in the n =1 orbit of hydrogen atom is bounded by 13.6eV. Energy requires to ionize it is

Ionization energy of hydrogen is 13.6 eV. If h = 6.6 × 10^–34J – s, the value of R will be of the order of

To explain his theory, Bohr used

The ionization energy of hydrogen atom is 13.6 eV. Following Bohr\'s theory, the energy corresponding to a transition between the 3rd and the 4th orbit is

An alpha nucleus of energy 1/2mv²bombards a heavynuclear target of charge Ze. Then the distance of closest approach for the alpha nucleus will be proportional to

The radius of hydrogen atom in its ground state is 5.3 × 10^–11m. After collision with an electron it is found to have a radius of 21.2 × 10^–11m. What is the principal quantum number n of the final state of the atom?

The splitting of line into groups under the effect of magnetic field is called

The energy of a hydrogen atom in its ground state is –13.6 eV. The energy of the level corresponding to the quantum number n = 2 (first excited state) in the hydrogen atom is