Questions
If radius of hydrogen atom in the ground state is Then its radius for quantum number ________ is
a
2
b
16
c
3
d
4
detailed solution
Correct option is A
From Bohr's model we know that the radius of Bohr orbit is rn ∝ n2 where n is principal quantum number⇒r1r2=n1n22⇒5.3×10−1121.2×10−11=1n22⇒n2=2Talk to our academic expert!
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The ratio of the areas of the circular orbits of an electron for the first excited state in a hydrogen atom to that for the ground state is
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