Q.

The Bohr’s energy equation for H atom reveals that the energy level of a shell is given byE=13.58/n2eV .The smallest amount that an H atom will absorb if in ground state is

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a

6.79eV

b

10.19eV

c

1.0eV

d

3.39eV

answer is D.

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Detailed Solution

The smallest value of energy of an electron in H atom in ground state can absorb is = E2E1

=13.584=(13.581)=10.19

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The Bohr’s energy equation for H atom reveals that the energy level of a shell is given byE=−13.58/n2eV .The smallest amount that an H atom will absorb if in ground state is