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Question: When a hydrogen atom initially in the ground level absorbs a photon and is excited to the n = 4 level, what is the wavelength of the photon?

Options

  1. A9.7 × 10 -8 m
  2. B4.9 × 10 -7 m
  3. C2.3 × 10 -8 m
  4. D1.5 × 10 -9 m

Correct answer

A. 9.7 × 10 -8 m

Step-by-step solution

Correct Option is : (A) 9.7 × 10 -8 m

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