Question

A single electron orbits a stationary nucleus (z = 5).
The energy required to excite the electron from
third to fourth Bohr orbit will be :-
(1) 4.5 eV
(2) 8.53 eV
(3) 25 eV
(4) 16.53 eV
​

Answer 1

Answer:

Option (4) is correct.

(4) 16.53 eV

Explanation :

Refer the attached picture.

Formula used :

E = - 13.6 × z^2 / n^2

Answer 2

Answer:

Option (4) is correct.

(4) 16.53 eV

Explanation :

Refer the attached picture.

Formula used :

E = - 13.6 × z^2 / n^2

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