state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Atoms De Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
An electron in the ground state of the hydrogen atom has the orbital radius of 5.3 × 10–11 m while that for the electron in third excited state is 8.48 × 10–10 m. The ratio of the de Broglie wavelengths of electron in the ground state to that in excited state is
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