In hydrogen atom the electron is moving round the nucleus with velocity `2.18xx10^(6)`m/s in an orbit of radius `0.528Å`. The cenripetal acceleration of the electron is

Options

A. `9xx10^(18)m//s^(2)`
B. `9xx10^(22)m//s^(2)`
C. `9xx10^(-22)m//s^(2)`
D. `9xx10^(12)m//s^(2)`

Explanation

In hydrogen atom electron is moves with constant centripetal acceleration.
`a_(c)=(v^(2))/r=((2.18xx10^(6))^(2))/(0.528xx10^(-10))=9xx10^(22)m//s^(2)`