1.

In the Bohr model of the hydrogen atom, an electron revolves in a circular orbit around the nucleus of a single proton. IF the radius of the orbit is 5.28 xx10^(-11) m, find the number of revolutions of the electrons per second. ( Charge on electron =1.6xx10^(-19)Cand charge on proton is same as on electron but positive.) (Hint: Coulomb's force of attraction = omega^(2)r)

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ANSWER :`(1)/(4piepsi_(0))(sqrt()6Q)/(a^(2))`


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