The energy associated with the transition of an electron from the n=1 state to the n=3 state of H atoms is:

  • (A) +1.74 x 10-17 Joules
  • (B) +1.94 x 10-18 Joules
  • (C) +1.94 x 10-18 Joules
  • (D) -1.74 x 10-17 Joules;
Correct Answer: B

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