

MCQOPTIONS
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1. |
When \[\alpha \]-particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) [IIT 1984] |
A. | Alpha particles are much heavier than electrons |
B. | Alpha particles are positively charged |
C. | Most part of the atom is empty space |
D. | Alpha particles move with high velocity |
Answer» D. Alpha particles move with high velocity | |