STANDARDPhysics-Nuclear Physics
STANDARD Physics Nuclear Structure MCQ Question
Type: MCQ-conceptual-Medium
The ratio of the nuclear radii of the gold isotope ¹⁹⁷₇₉Au and silver isotope ¹⁰⁷₄₇Ag is
A
1.23
B
0.216
C
2.13
D
3.46
Correct Answer
Option A
Detailed Explanation
Here, A₁ = 197 and A₂ = 107. The nuclear radius is proportional to A¹/³. Therefore, the ratio of the radii is (197/107)¹/³ ≈ 1.23.
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