According to Bohr’s theory `E_(n)=` Total energy, `K_(n)=` Kinetic energy, `V_(n)=` Potential energy `R_(n)=` Radius of nth orbit:

Explanation

`A rarrR, BrarrQ, CrarrP, D rarrS,`
A. `V_(n)=-(1)/(4piepsilon_(0))((Ze^(2))/(r))," "K_(n)=-(1)/(8pi epsilon_(0))((Ze^(2))/(r))rArr ((V_(n))/(K_(n)))=-2"___________"(r)`
B. `E_(n)=-(Ze^(2))/(8pi epsilon_(0)r)prop r^(-1) rArr x=-1" ___________"(q)`
C. Angular momentum `=sqrt(l(l+1))=(h)/(2pi)=0"in 1s - orbital _________"(p)`
D. `r_(n)=(a_(0)n^(2))/(Z)rArr (1)/(r_(n)) prop Z"__________"(s)`