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Recent questions tagged telegram-58156

(chatquestion)...5. 2/26 13. The ratio of the ehergy of thle electrom in ground evel di- state of hydrogen to the electron in third excited Bohis state of Be3+ is (1) 1:4 (2) 1:2 (3) 1:16 (4) 1:1 14, In an atom two electrons move around the nucleus in circular orbits of radii 4R and 9R. The ratio of te of H- s should the time taken by them to complete one revolution is 37 (1) 1:4 (2) 4:1 (3) 8:27 (4) 27:8 15. The radius of the first Bohr orbit of hydrogen atom is P. The radius of the third orbit of He+ will be espond (1) P. (2) 2P Thns...(14 ques?)

asked Feb 24, 2020 by balaji.thirumalai

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