An electron in an atom jumps in such a way that its kinetic energy changes from x to x/4. The change in potential energy will be

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+32x

−38x

+34x

−34x

answer is A.

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Detailed Solution

P.E =-2 ×K.EP.E1 =-2XP.E2 = -2×X4change in potential energy =E2 -E1 =-2X- (-2X/4) =-2X+2x/4 =-6X /4 = 3X2

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