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30/09/2020 1:28 pm
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The velocity of electron in second shell of hydrogen atom is :
(a) 10.94 x 106 ms-1
(b) 18.88 x 106 ms-1
(c) 1.888 x 106 ms-1
(d) 1.094 x 106 ms-1
1 Answer
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30/09/2020 1:32 pm
(d) 1.094 x 106 ms-1
Explanation:
According to Bohr, velocity (v) of an electron is given by relation.
v = 2.188 x 106 Z/n m/s
Here n = 2, and Z (for H) = 1
∴ v = (2.188 x 106 x 1)/2
= 1.094 x 106 ms-1