When an electron in an atom goes from a lower to higher orbit its a. K. E increases, P. E decreases
b. K. E increases, P. E increases
c. K. E decreases, P. E increases
d. K. E decreases, P. E decreases

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14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is