Statement I : Velocity of electron in 1st orbit of H-atom is less than in 2nd orbit of H-atom.Statement II : Total energy of electron in 1st orbit of H-atom is less than in 2nd orbit of H-atom.
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a
Both statements I and II are correct
b
Statement - I is correct and statement - II is incorrect
c
Statement - I is incorrect and statement - II is correct
d
Both statements I and II are incorrect
answer is C.
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Detailed Solution
I) Vn =ZnV1;Vn ∝ 1n∴ S-I is falseII) En = -Z2n2E,En ∝ -1n2∴ S-II is true