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Grade: 11
        When alpha particles are sent through a thin metal foil, most of them go straight through the foil because

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
5 years ago

Answers : (2)

Kevin Nash
askIITians Faculty
332 Points
							Sol. Alpha particles passes mostly undeflected when sent through thin metal foil mainly because
(A) it is much heavier than electrons.

						
5 years ago
goutham
23 Points
							
alpha particle is heavier than electron and most of the space in atom is empty  so it  doent deviate and passes undeflected .
2 years ago
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