In hydrogen atom the ratio of energy difference between second orbit to third orbit and energy difference between first to second orbit will be …………..
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Answer:
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Explanation:
The ratio of the difference between 1st and 2nd Bohr orbits energy to that between 2nd and 3rd orbits energy is:
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ANSWER
The ratio of the difference between 1st and 2nd Bohr orbits energy to that between 2nd and 3rd orbits energy is
5
27
For a hydrogen atom, the energies that an electron can have are given by the expression, E=−
n
2
13.58
eV, where n is an integer.
For first energy level,
E
1
=−
1
2
13.58
eV=−13.58eV
For second energy level,
E
2
=−
2
2
13.58
eV=−3.395eV
The difference E
2
−E
1
=−3.395eV−(−13.58eV)=10.19eV
For second energy level,
E
2
=−
2
2
13.58
eV=−3.395eV
For third energy level,
E
3
=−
3
2
13.58
eV=−1.51eV
The difference E
3
−E
2
=−1.51eV−(−3.395eV)=1.89eV
The ratio of the difference between 1st and 2nd Bohr orbits energy to that between 2nd and 3rd orbits energy is
1.89eV
10.19eV
=
5
27