First slide

Bohr Model of the Hydrogen atom.

Question

The ionization potential of H atoms is 13.6 V. The energy difference between n = 2 and n = 3 levels is nearest to

Moderate

A

1.9 eV
B

2.3 eV
C

3.4 eV
D

6.8 eV

Solution

$∆ E = E_{3} - E_{2} = (- 1.51) - (- 3.4) = 1.9 eV$

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