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An alpha particle with initial spee d v 0 is projected from infinity and it approaches up to r 0 distance from the nuclus. Then the initial speed of alpha particle which approaches upto 2r 0 distance from the nuclus. Is
Kinetic energy = potential energy½*m*vo2 = k*2e*Ze/ro – (1)and let velocity is vthen½*m*v2 = k*2e*Ze/2ro -(2)then (2)/(1)v2/vo2 = ½then v = vo/Hope it clears.
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