state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Chemistry Structure of Atom Atomic Structure

प्रथम तीन बोहर कक्षाओं की त्रिज्याओं का अनुपात ____ है।

1
1 ∶ 05 ∶ 033
2
1 ∶ 2 ∶ 3
3
1 ∶ 4 ∶ 9
4
1 ∶ 8 ∶ 27
5
अनुत्तरित प्रश्न
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