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In Rutherford scattering experiment, what will be the correct angle for α-scattering for an impact parameter, b = 0?

1. 90°
2. 270°
3. 0°
4. 180°

Correct answer: 180°

Solution

When the impact parameter b = 0, the alpha particle moves directly towards the nucleus and experiences maximum deflection due to the strong Coulomb repulsion, resulting in a scattering angle of 180°.

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