In the hydrogen atom, radii of the first four Bohr orbits are related as (a) 1: 2: 3: 4 (b) 1/2: 1/3: 1/4 (c) 1: 4: 9: 16 (d) 1/4: 1/9: 1/16

Answer: (c). rn = n² a₀ ⇒ r ∝ n². r₁: r₂: r₃: r₄ = 1: 4: 9: 16. So the answer is (c).

In the hydrogen atom, radii of the first four Bohr orbits are related… | MHT CET 2026 (15 Apr, Shift 2)

Q4MHT CET 2026 · 15 APR · SHIFT 2Easy

Bohr Model: Orbits, Speed & Angular Momentum

In the hydrogen atom, radii of the first four Bohr orbits are related as

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Answer: (c)

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