Question

Most of the alpha particles go straight through the foil if it is passed through a thin metal foil. This is due to the reason that:

• A. alpha particles are much heavier than electrons
• B. alpha particles are positively charged
• C. most part of the atom is empty
• D. alpha particles move with the high velocity

Answer 1

Answer: (C)

most part of the atom is empty

When alpha particles are sent through a thin metal foil, most of them go straight through the foil because most of the space inside the atom is empty.