An electron in an infinite potential well (a box)makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelength 20.9 nm.(c = 3.00 × 10⁸ m/s,
h = 6.626 × 10^-34J ∙ s,m_el = 9.11 × 10^-31 kg)
(a)What is the width of this well?
(b)What wavelength photon would be required to excite the electron from its original level to the next higher one?

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The Answer of An electron in an infinite potential well (a box)makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelength 20.9 nm.(c = 3.00 × 10⁸ m/s, h = 6.626 × 10^-34J ∙ s,m_el = 9.11 × 10^-31 kg) (a)What is the width of this well? (b)What wavelength photon would be required to excite the electron from its original level to the next higher one?

An Electron in an Infinite Potential Well (A Box)makes a Transition