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A solid silver sphere of radius 1 cm is charged to a potential of 10 KV. Calculate the fraction `eta` of the aloms ionized assuming that one atom contributes only one free electron. Density of silver`=10.5xx10^(3)kg m^(-3)` and its atomic weight is 107.9 (Avogadro's number`=6xx10^(26)kg mol^(-1)` and charge of an electron`=1.6xx10^(-19)`C.

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The correct Answer is:
`eta=2.84xx10^(-13)`
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