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Structure of Atoms and Nuclei — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsStructure of Atoms and Nuclei4 Marks
Question
State Bohr's third postulate for hydrogen $(H_2)$ atom. Derive Bohr's formula for the wave number. Obtain expressions for longest and shortest wavelength of spectral lines in ultraviolet region for hydrogen atom.
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