The ratio of the velocity of the electron in the first orbit to that in the second orbit is ____________.
The ratio of the velocity of the electron in the first orbit to that in the second orbit is 2 : 1.
Explanation:
`"v" prop 1/"n"`
`therefore "v"_1/"v"_2 = "n"_2/"n"_1 = 2/1`
Concept: Bohr’s Atomic Model
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The ratio of the speed of an electron in the first orbit of hydrogen atom to that in the first orbit of He +isA. 1: 2B. 4: 1C. 2: 1D. 1: 4
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