Energy Levels, Excitation and Ionisation

JEE Main Physics · Atoms and Nuclei · 14 questions, latest first

• In a hydrogen like ion, the energy difference between the 2^nd excitation energy state and ground is 108.8 eV. The atomic number…20257 April, Shift 1 · Q44
• An electron in the hydrogen atom initially in the fourth excited state makes a transition to n^th energy state by emitting a…20253 April, Shift 2 · Q50
• Considering Bohr's atomic model for hydrogen atom: the energy of H atom in ground state is same as energy of He^+ ion in its…20252 April, Shift 1 · Q43
• A hydrogen atom in ground state is given an energy of 10.2 eV. How many spectral lines will be emitted due to transition of…20249 April, Shift 2 · Q35
• In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at 10.2 V. The wavelength of…20246 April, Shift 2 · Q55
• The minimum energy required by a hydrogen atom in ground state to emit radiation in Balmer series is nearly:20241 February, Shift 1 · Q47
• Hydrogen atom is bombarded with electrons accelerated through a potential difference of V, which causes excitation of hydrogen…202429 January, Shift 2 · Q60
• A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. The number of spectral lines emitted will be:202312 April, Shift 1 · Q48
• The energy of He^+ ion in its first excited state is, (The ground state energy for the Hydrogen atom is -13.6 eV ):202311 April, Shift 2 · Q44
• A monochromatic light is incident on a hydrogen sample in ground state. Hydrogen atoms absorb a fraction of light and…202311 April, Shift 1 · Q51
• An electron of a hydrogen like atom, having Z=4, jumps from 4^th energy state to 2^nd energy state. The energy released in this…20231 February, Shift 2 · Q18
• A light of energy 12.75 eV is incident on a hydrogen atom in its ground state. The atom absorbs the radiation and reaches to one…20231 February, Shift 1 · Q23
• If the binding energy of ground state electron in a hydrogen atom is 13.6 eV, then, the energy required to remove the electron…202331 January, Shift 2 · Q21
• The energy levels of an atom is shown in figure. Which one of these transitions will result in the emission of a photon of…202325 January, Shift 2 · Q7