Given in hydrogen atom `r_(n),V_(n),E,K_(n)` stand for radius, potential energy, total energy and kinetic energy in `n^(th)` orbit. Find the value of U,v,x,y.
`{:((A),u=(V_(n))/(K_(n)),(P),1,),((B),(1)/(r_(n))propE^(x),(Q),-2,),((C),r_(n)propZ^(y),(R),-1,),(,(Z="Atomic number"),,,),((D),v=("Orbital angular momentum of electron"),(S),0,),(,("in its lowest energy"),,,):}`

Answer

(A)Q,(B)P,(C )R,(D)S