Which radioactive source was used by Rut - CUETMOCK

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Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

Which radioactive source was used by Rutherford to emit alpha particles onto the gold foil?

Options:

Polonium

Rutherfordium

Bismuth

Antimony

Correct Answer:

Bismuth

Explanation:

It was ₈₃Bi²¹⁴.

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