The ratio of kinetic energy and total en...

The ratio of kinetic energy and total energy of an electron in a Bohr orbit of a hydrogen -like species is

A

1

B

`-1`

C

2

D

`-(1)/(2)`

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The correct Answer is:

B

`K.E.=-(1)/(2)P.E." "rArr" T.E "=K.E+PE=(1)/(2)P.E.`, So Ratio of K.E. ot T.E. `=-1`

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