.An electron is confined in a cubical box ofside 1Å. Find the momentum and energy ofthe electron in the ground state and the first excited state.
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![.An electron is confined in a cubical box ofside 1Å. Find the momentum and energy ofthe electron
in the ground state and the first excited state.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4240cbd6-5683-429f-8863-fbd6fd4b8247%2Fc5252279-541c-4710-9279-c15547ce0a81%2Fqyh7bf_processed.jpeg&w=3840&q=75)
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