When a hydrogen atom is raised from the ground state to an excited state

Options

A. P.E. increases and K.E. decreases
B. P.E. decreases and K.E. increases
C. Both kinetic energy and potential energy increase
D. Both K.E. and P.E. decrease

Answer

A

Explanation

As `PE prop - (1)/(r) and KE prop (1)/(r)`
`r uarr KE darr PE uarr`