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Q.

The ionisation energy of hydrogen atom is 13.6 eV. Following Bohr's theory, the energy corresponding to a transition between the 3rd and the 4th orbit is

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a

3.40 eV

b

1.51 eV

c

0.85 eV

d

0.66 eV

answer is D.

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Detailed Solution

E3=-13.69=-1.51 eV;E4=-13.616=-0.85 eV ∴E4-E3=0.66 eV
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