Atoms And Nuclei Question 10

Question: The energy required to knock out the electron in the third orbit of a hydrogen atom is equal to [DPMT 1987]

Options:

A) 13.6 eV

B) +13.69eV

C) 13.63eV

D) 313.6eV

Show Answer

Answer:

Correct Answer: B

Solution:

Energy required to knock out the electron in the nth orbit =+13.6n2eV
Þ E3=+13.69eV .



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