@ computer001... had the alpha particles been launched with a slow speed... they certainly would have come in ineraction with the electrons. and i think high velocity can't be neglected...
@kewlslayer the answer is given as 1 and 3.
PROGRESS ISN'T MADE BY EARLY RISERS OR HARD WORKERS, BUT BY LAZY PEOPLE TRYING TO FIND EASIER WAY TO DO THE SAME.....SO BE LAZZZZYY!!!!
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