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MDCAT Physics QUESTION #7849
Question 1

Electron in hydrogen jumps from n=2 to n=1. Wavelength of emitted radiation:

  • 4/3R_H
  • 3/4R_H✔️
  • R_H
  • 4R_H
Correct Answer Explanation

1/λ = R_H(1/1² - 1/2²)=R_H(1-1/4)=3R_H/4 ⇒ λ = 4/(3R_H).