defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Dual Nature: Photon and Matter Waves The Hydrogen Atom
In a hydrogen atom, electron is excited from ground state to 3rd orbit, find the emitted wavelength. (R is the Rydberg constant.)
1
\({4 \over {3R}}\)
2
\({3 \over {4R}}\)
3
\({8 \over {9R}}\)
4
\({9 \over {8R}}\)