1.

Let E_(k) and E_(p) represent kinetic energy and potential energy respectively of the electron in a hydrogen atom. If the electron transits from the orbit n=2 to the orbit n=1 and the value of kinetic energy is E_(k)' and that of potential energy is E_(p)', then

Answer»

`E_(k)'=(E_(k))/(2),E_(p)'=2E_(p)`
`E_(k)'=4E_(k),E_(p)'=(E_(p))/(4)`
`E_(k)'=2E_(k),E_(p)'=(E_(p))/(2)`
`E_(k)'=(E_(k))/(4),E_(p)'=4E_(p)`

Answer :B


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