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in Physics by (25.1k points)
Highly energetic electrons are bombarded on a target of an element containing `30` neutrons. The ratio of radii of nucleus to that of Helium nucleus is `141//3`. The atomic number of nucleus will be.
A. 25
B. 26
C. 56
D. 30

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1 Answer

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by (25.1k points)
Correct Answer - B

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