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IAT IISER2025PhysicsAtomic Physics

An electron in the ground state (with energy E₁ ) of a hydrogen atom, absorbs a photon of energy E_a , and gets excited to a higher energy level of principal quantum number n . What is the value of n ?

Options

  1. AE₁ E₁+E_a
  2. BE₁ E₁-E_a
  3. CE_a E₁-E_a
  4. DE_a E₁+E_a

Correct answer

A. E₁ E₁+E_a

Step-by-step solution

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