Sharanya Asked a Question
March 31, 2021 4:51 pmpts 30 pts
77. The ground state energy of a positronium is (A) -6.8 eV (C) +13.6 eV (B) +6.8 eV (D)-13.6 eV
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  • Neeraj bangruwa thankyou
    ans.\ option 1 is correct.
    • cropped4186038263115838768.jpg
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