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The ionization potential of hydrogenic i...

The ionization potential of hydrogenic ions P and Q are `V_(P) and V_(Q)` respectively. If `V_(Q) lt V_(P)` then radii ......

A

`r_(P) gt r_(Q)`

B

`r_(P)lt r_(Q)`

C

`r_(P)=r_(Q)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
In electric potential `V=(kQ)/(r),KQ` is constant
`:. V prop (1)/(r) :. (V_(P))/(V_(Q))=(r_(Q))/(r_(P))`
`:. V_(Q) lt V_(P) rArr r_(Q) gt r_(P) so, r_(P) lt r_(Q)`
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