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Question

The ratio of radii of nuclei 2713 Al and 12552 Te is approximately

A
6 : 10
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B
13 : 52
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C
40 : 177
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D
14 : 7
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Solution

The correct option is A 6 : 10
By using rA13r1r2=(A1A2)13=(27125)13=35=610

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