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Question:

If radius of the 2713Al nucleus is taken to be RAl, then the radius of 12552Te nucleus is nearly:

53RAl

(1353)13RAl

(5313)13RAl

35RAl

Solution:

R = R₀A⅓
∴ RAl/RTe = (27/125)⅓ = 3/5
RTe = 5/3RAl = 5/3RAl