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2. A "quark" (mass \( =m_{p} / 3 \) ) is confined in a cubical box with sides of length 2 fermis \( =2 \times 10^{-15} \mathrm{~m} \). Find the excitation energy from the ground state to the first excited state in \( \mathrm{MeV} \cdot\left(m_{p}=938 \mathrm{MeV} / \mathrm{c}^{2}\right) \).

          2. A "quark" (mass \( =m_{p} / 3 \) ) is confined in a cubical box with sides of length 2 fermis \( =2 \times 10^{-15} \mathrm{~m} \). Find the excitation energy from the ground state to the first excited state in \( \mathrm{MeV} \cdot\left(m_{p}=938 \mathrm{MeV} / \mathrm{c}^{2}\right) \).
        
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2. A "quark" (mass =mp / 3 ) is confined in a cubical box with sides of length 2 fermis =2 × 10^-15 m. Find the excitation energy from the ground state to the first excited state in MeV·(mp=938 MeV / c^2).

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Modern Physics
Modern Physics
Raymond A. Serway, Clement J. Moses,… 3rd Edition
Chapter 8
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