Which of the following statements is/are correct regarding Rutherford scattering experiment?

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Most of the α-particles passed through the gold foil being undeflected

A small fraction of the α-particles was deflected by small angles

A very few α-particles (~ I in 20000) bounced back, i.e. were deflected by nearly I 80°

All of the above

answer is D.

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Detailed Solution

Observations of Rutherford scattering experiment areI. most of the α-particles passed through the gold foil remain undeflected.II. a small fraction of the α-particles was deflected by small angles.III. a very few α-particles (~/in 20000) bounced back, i.e they were deflected by nearly 180°.

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