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JEE Main202118 Mar 2021Morning ShiftPhysicsAtomic PhysicsActual

Imagine that the electron in a hydrogen atom is replaced by a muon μ . The mass of muon particle is 207 times that of an electron and charge is equal to the charge of an electron. The ionization potential of this hydrogen atom will be:-

Options

  1. A13 . 6 eV
  2. B2815 . 2 eV
  3. C331 . 2 eV
  4. D27 . 2 eV

Correct answer

B. 2815 . 2 eV

Step-by-step solution

E ∝ 1 r ⇒ r ∝ 1   m ⇒ E ∝ m . Ionization potential = 13 . 6 × Mass μ eV Mass e = 13 . 6 × 207 eV = 2815 . 2 eV .

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