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 | |