a -particles are projected towards the following metals, with same K.E. Towards which metal, the distance of closest approach is minimum ? 1) Zn (z= 30) 2) Cd (z = 48) 3) Hg (z = 80) 4) AI (2 = 13)
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a -particles are projected towards the following metals, with same K.E. Towards which metal, the distance of closest approach is minimum
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