What is the magnetic energy density (in terms of standard constant & `r` )at the centre of a circulating electron in the hydrogen atom in first orbit.
What is the magnetic energy density (in terms of standard constant & `r` )at the centre of a circulating electron in the hydrogen atom in first orbit.(Radius of the orbit is `r`)
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Correct Answer - A::B::C::D
`B=(mu_(0)I)/(2r)=(mu_(0)fe)/(2r)...(i) 1/(4piepsilon_(0)) e^(2)/r^(2)=(mv^(2))/r,f 2pi r=V` So
`f=sqrt((e^(2))/(4piepsilon_(0)mr))(1/(2pir))`....(ii)
Energy density=`B^(2)/(2mu_(0))`...(iii)
Solve (i),(ii)&(iii) and get
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