Calculate the ratio of K.E and P.E of an electron in an orbit?

1.	Calculate the ratio of K.E and P.E of an electron in an orbit?
Answer» K.E=Ze22r P.E=−Ze2r ∴P.E=−2K.E ∴K.EP.E=−1/2

Answer»

K.E=Ze22r

P.E=−Ze2r

∴P.E=−2K.E

∴K.EP.E=−1/2

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