The arrow indicates the route taken by an $\alpha$-particle as it moves towards the centre of a gold nucleus. Which description correctly states the path of the $\alpha$-particle after it collides with the gold nucleus?
- AThe $\alpha$-particle is deflected through a very small angle towards the top of the page.
- BThe $\alpha$-particle is deflected back along its initial path.
- CThe $\alpha$-particle carries on in a straight line with no deflection.
- DThe $\alpha$-particle is captured by the nucleus and goes into orbit around it.