Question

What was the source of alpha particles in Rutherford scattering experiment?(½)

(a) Hydrogen nucleus (b) Argon nucleus

(c) Helium nucleus (d) None of these

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Answer 1

Explanation:

c ) helium nucleus

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Answer 2

Answer:

Rutherford used Radium as a source of alpha particles in his gold foil experiment

Explanation:

Rutherford's Alpha Scattering Experiment:

• Rutherford used a radium as a source of alpha particle source and passed the high energy beam of alpha particles through a very thin foil of gold to observe the behaviour and characteristics of the nucleus.
• He observed that most of the space in an atom is empty and there is a small concentration of positive charges at the centre of the atom which is very tiny with respect to the size of the atom.
• He placed a fluorescent zInc sulphide screen all around the gold foil and when the atoms would hit the screen it would glow.

Rutherford used Radium as a source of alpha particles in his gold foil experiment.

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