1.

यदि `""_(12)^(27)"Al"` के नाभिक की त्रिज्या `R_("Al")` हो तो `""_(53)^(125)"Te"` नाभिक की लगभग त्रिज्या होगी -A. `(5)/(3)"R"_("Al")`B. `(3)/(5)"R"_("Al")`C. `((13)/(53))^(1//3)"R"_("Al")`D. `((53)/(13))^(1//3)"R"_("Al")`.

Answer» Correct Answer - A
`R=R_(0)A^(1//3)` से,
`R=(R_("Al"))/(R_("Te"))=((A_("Al"))/(A_("Te")))^(1//3)implies(R_("Al"))/(R_("Te"))=((27)/(125))^(1//3)=(3)/(5)`
`impliesR_("Te")=(5)/(3)"R"_("Al")`.


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