Atomic Structure Question 31
Question: Radius of the first Bohr’s orbit of hydrogen atom is [RPET 2000]
Options:
A) $ 1.06,{\AA} $
B) $ 0.22,{\AA} $
C) $ 0.28,{\AA} $
D) $ 0.53,{\AA} $
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Answer:
Correct Answer: D
Solution:
Bohr’s radius of the hydrogen atom $ r=\frac{n^{2}\times 0.529{\AA}}{z} $ ; where z = Atomic number, n = Number of orbitals
