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JEE Main 2023 (31 Jan, Shift 2) · Bohr Model: Orbits, Speed & Angular Momentum

Bohr Model: Orbits, Speed & Angular Momentum question from JEE Main 2023 (31 Jan, Shift 2)

Q61JEE Main 2023 · 31 JAN · SHIFT 2Easy

Bohr Model: Orbits, Speed & Angular Momentum

The radius of electron's second stationary orbit in Bohr's atom is R. The radius of 3rd orbit will be

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Answer: (a)

Bohr radius $r_n \propto n^2$ .
$\frac{r_3}{r_2} = \frac{9}{4} = 2.25$
So the answer is (a) $2.25R$ .

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