How many times does the electron of hydrogen atom go round the first Bohr orbit in one second? [m=9.1×10−31kg,e=1.6×10−19Cε0=8.85×10−12F m−1,h=6.6×10−34J s]
A
6.6×105
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B
6.6×1010
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C
6.6×1013
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D
6.6×1015
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Solution
The correct option is D6.6×1015 Here, we have to find frequency which is given by,
ν=mZ2e44ε20n3h3
For Hydrogen atom Z=1 and for first Bohr orbit, n=1