Offline paper
Physics · 2015
JEE Main 2015 · 2015-04-04 Offline · Q27
As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion:
As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion :
Official answer
(1)
its kinetic energy increases but potential energy and total energy decrease
More from Atoms and Nuclei
- Energy released when two deuterons (_1 H^2) fuse to form a helium nucleus (_2 He^4) is: (Given: Binding energy per nucleon of _1 H^2=1.1 MeV and…2025
- Assuming the validity of Bohr's atomic model for hydrogen like ions the radius of Li^++ ion in its ground state is given by 1/X a_0, where X= ____.…2025
- A hydrogen atom in its first excited state absorbs a photon of energy x × 10^-2 eV and excited to a higher energy state where the potential energy of…2022
- In the hydrogen atom, the electron makes a transition from the higher orbit (i) to a lower orbit (f). The ratio of the radius of the orbits in given…2026
- In a nuclear fission reaction of an isotope of mass M, three similar daughter nuclei of same mass are formed. The speed of a daughter nuclei in terms…2024
- Experimentally it is found that 12.8 eV energy is required to separate a hydrogen atom into a proton and an electron. So the orbital radius of the…2023
- A He^+ ion is in its first excited state. Its ionization energy is:2019
- There are 10^10 radioactive nuclei in a given radioactive element. Its half-life time is 1 minute. How many nuclei will remain after 30 seconds?…2021
JEE Main 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.