1.

The kinetic energy of the electron in an orbit of radius r in hydrogen atom is proportional ......

Answer»

`(e^(2))/(2r)`
`(e^(2))/(r^(2))`
`(e^(2))/(r)`
`(e^(2))/(2r^(2))`

Solution :Centripetal FORCE = ELECTRIC force
`(mv^(2))/(r)=(k(ze)(e))/(r^(2))`
`:.(1)/(2)mv^(2)=(KE^(2))/(2r)[:.z=1]`
Kinetic energy of electron in atom `H_(2)=(ke^(2))/(2r)`
Note: There is an error in the statement of self LEARNING which is here corrected


Discussion

No Comment Found

Related InterviewSolutions