If `epsilon_(0)` be the permittivity of vacuum and r be the radius of orbit of H- atom in which electron is revolving, then velocity of electron is given by :A. `(e)/sqrt(4pimepsilon_(0)r)`B. `(2e)/sqrt(pimepsilon_(0)r)`C. `(e)/sqrt(pimepsilon_(0)r)`D. `(e)/sqrt(4pimepsilon_(0)r)`

If `epsilon_(0)` be the permittivity of vacuum and r be the radius of

1.	If `epsilon_(0)` be the permittivity of vacuum and r be the radius of orbit of H- atom in which electron is revolving, then velocity of electron is given by :A. `(e)/sqrt(4pimepsilon_(0)r)`B. `(2e)/sqrt(pimepsilon_(0)r)`C. `(e)/sqrt(pimepsilon_(0)r)`D. `(e)/sqrt(4pimepsilon_(0)r)`
Answer» Correct Answer - A `(mv^(2))/r=1/(4piin_(0)) xx e^(2)/r^(2)` `v = e/sqrt(4piin_(0)rm)`

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If `epsilon_(0)` be the permittivity of vacuum and r be the radius of orbit of H- atom in which electron is revolving, then velocity of electron is given by :A. `(e)/sqrt(4pimepsilon_(0)r)`B. `(2e)/sqrt(pimepsilon_(0)r)`C. `(e)/sqrt(pimepsilon_(0)r)`D. `(e)/sqrt(4pimepsilon_(0)r)`

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