A positron is emited from `text()^23Na_11.` The ratio of the atomic mass and atomic number of the resulting nuclide is

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Q 1155434364.     A positron is emited from `text()^23Na_11.` The ratio of the atomic mass and atomic number of the resulting nuclide is
JEE 2007
A

`22/10`

B

`22/11`

C

`23/10`

D

`23/12`

HINT

Use `text()^23Na_11 rarr text()^23Na_10 + e^+ +nu_e`

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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