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The kinetic energy for electron of Li^(2...

The kinetic energy for electron of `Li^(2+)` is given by following expression (Where symbols have usual meanning) :

A

`(3Ke^(2))/(r )`

B

`(3Ke^(2))/(2r)`

C

`(2Ke^(2))/(r )`

D

`(Ke^(2))/(r )`

Text Solution

Verified by Experts

The correct Answer is:
B
The kinetic energy for ……………
`TE = -(Kze^(2))/(2r) = -KE`
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