Third excited state in hydrogen atom corresponds to n = 4. Hence maximum number of spectral lines, which can be emitted, is = n(n-1)/2 = 4(4-1)/2 = 6. Class 12 Physics Chapter 12 Atoms Session 2024-2025.
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Jonisation energy of an atom is defined as the energy required to remove an electron from its ground state energy level to its free state. Ionisation energy for a hydrogen atom is 13.6 eV. Class 12 Physics Chapter 12 Atoms ...
According to Bohr’s quantum condition, the angular momentum of an electron in its stationary (or stable) orbit should be an integer multiple of h/2π i.e., Ln = m vn.rn = n h/2π , where n is a positive integer.
The H line of Balmer series in emission spectrum of hydrogen atom corresponds to the transition from n₁ = 3 to nf = 2 orbit. Class 12 Physics Chapter 12 Atoms Session 2024-2025.
Value of Rydberg’s constant for hydrogen is R = 1.097 × 10⁷ m⁻¹ . Class 12 Physics Chapter 12 Atoms Session 2024-2025.