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Q.

The Bohr's energy equation for H-atom reveals that the energy level of a shell is given by E = -13.58 / n2 eV. The smallest amount that an H-atom will absorb, if in ground state is:

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a

3.39 eV

b

1.0 eV

c

6.79 eV

d

10.19 eV

answer is D.

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Detailed Solution

The smallest value that an electron in H-atom in ground state can absorb.
=E2−E1=−13.584−−13.5812d=10.19

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The Bohr's energy equation for H-atom reveals that the energy level of a shell is given by E = -13.58 / n2 eV. The smallest amount that an H-atom will absorb, if in ground state is: