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Electorn volt is the unit of energy ( 1 ...

Electorn volt is the unit of energy `( 1 eV =1.6xx10^(-19)J)` in H-atom the binding energy of electron in first orbit is `13.6eV`. The same in joule `(J)` is

A

`10xx10^(-19)J`

B

`21.76xx10^(-19)J`

C

`13.6xx10^(-19)J`

D

None of these

Text Solution

Verified by Experts

(b) `:' 1 eV=1.6xx10^(-19)V`
`:. 13.6eV=13.6xx1.6xx10^(-19)J=21.76xx10^(-19)J`
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