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Question: 
  1. Calculate the “characteristic rotational energy,” $\hbar^2/2I$, for the $\textrm{O}_2$ molecule whose bond length is 0.121 nm.
  2. What are the energy and wavelength of photons emitted in an l = 3 to l = 2 transition?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 
  1. $1.79 \times 10^{-4} \textrm{ eV}$
  2. $1.16 \textrm{ mm}$

Giancoli 7th Edition, Chapter 29, Problem 8

(4:17)

Chapter 29, Problem 8 is solved.

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