Q 12-12-013NEETJEE MainMedium
The ratio of kinetic energy to total energy of an electron in a Bohr orbit is
Answer: (B) $-1$
$K = -E$ and $U = 2E$ in every Bohr orbit, so $\dfrac{K}{E} = -1$ (and $\dfrac{U}{K} = -2$).
Solution by Sreeraj P, M.Sc Physics