Atoms And Nuclei Question 146
Question: As the electron in Bohr orbit of Hydrogen atom passes from state $ n=2 $ to $ n=1 $ , the kinetic energy K and potential energy U change as [MP PET 2005]
Options:
A) K two-fold, U four-fold
B) K four-fold, U two-fold
C) K four-fold, U also four-fold
D) K two-fold, U also two-fold
Show Answer
Answer:
Correct Answer: C
Solution:
$ U=2E, $ $ K=-E $ and $ E=-\frac{13.6}{n^{2}}=eV $ .
