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Find the ratio of speed of e- in the third orbit of Bohr's model of H and He?(a) 1:2(b) 2:1(c) 4:1(d) 1:4 |
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Answer» Correct option is (a) 1:2 V ∝ Z/n VH / VHe = ZH / ZHe n/n = 1/2 |
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