1.

Magnitudeof K.E. in anorbitis equal to

Answer»

Halfof thepotentialenergy
Twiceof thepotentialenergy
One fourththepotentialenergy
Noneof these

SOLUTION :K.E. of `e^(-)=(1)/(2)` of P.E.K.Eis alwayspositiveor K.E. `-((1)/(2) P.E)` = - Total energyof system


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