Find the radius of the 3rd Bohr orbit in a hydrogen atom and the energy of the electron in that orbit — JEE Physics
Find the radius of the 3rd Bohr orbit in a hydrogen atom and the energy of the electron in that orbit.
1 Answer
PIPooja Iyer
✓ Accepted
· 1mo ago
▲ 9
$$r_n = n^2 \times 0.529 Å$$
$$r_3 = 9 \times 0.529 = 4.76 Å$$
$$E_n = -\frac{13.6}{n^2} eV$$
$$E_3 = -\frac{13.6}{9} = -1.51 eV$$
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Discussion (3)
DM
Saved me before my mock test. Much clearer than my coaching notes.
RB
This is exactly the kind of step-by-step I needed. Respect.
GP
Adding for context: NCERT covers the base concept in the same chapter.