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In hydrogen atom the electron is moving ...

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

A

`9 xx 10^(18) m//s^(2)`

B

`9 xx 10^(22) m//s^(2)`

C

`9 xx 10^(-22)m//s^(2)`

D

`9xx 10^(12) m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Centripetal acceleration `a_(c)= (v^(2))/(r)= ((2.18 xx 10^(6))^(2))/(0.528 xx 10^(-10)) rArr a_(c) = 9 xx 10^(22) m//s^(2)`
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