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The ionisation potential of mercury is 1...

The ionisation potential of mercury is 10.39 V. How far an electron must travel in an electric field of `1.5 xx 10^(6) V//m` to gain sufficient energy to ionise mercury ?

A

`(10.39)/(1.6xx10^(-19))` m

B

`(10.39)/(2xx1.6xx10^(-19))` m

C

`10.39 xx 1.6 xx 10^(-19)` m

D

`(10.39)/(1.5xx10^(6))` m

Text Solution

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The correct Answer is:
D
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