Atoms And Nuclei Question 49

Question: The minimum energy required to excite a hydrogen atom from its ground state is [EAMCET (Engg.) 1995; MP PMT 1997; CPMT 1999; DCE 1999]

Options:

A) 13.6 eV

B) $ -13.6\ eV $

C) 3.4eV

D) 10.2 eV

Show Answer

Answer:

Correct Answer: D

Solution:

Minimum energy required to excite from ground state $ =13.6[ \frac{1}{1^{2}}-\frac{1}{2^{2}} ]=10.2\ eV $



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