How will the distance of closest approach be affected when the kinetic energy of the incident alpha particle on gold foil is doubled?

How will the distance of closest approach be affected when the kinetic

1.	How will the distance of closest approach be affected when the kinetic energy of the incident alpha particle on gold foil is doubled?
Answer» Solution :Distance of closest APPROACH,`d=1//4pi epsilon^0(2e)(ZE)//E As d prop1//E`, the distance of closest approach is HALVED when the K.E of the ALPHA particle is doubled.

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How will the distance of closest approach be affected when the kinetic energy of the incident alpha particle on gold foil is doubled?

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