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PHY-2023-CG3-040
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PHY · PHY-2023-CG3-040
Physics
Section B
The radius of inner most orbit of hydrogen atom is 5.3 × 10⁻¹¹ m. What is the radius of third allowed orbit of hydrogen atom?
A
4.77 Å
B
0.53 Å
C
1.06 Å
D
1.59 Å
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