Question

What would be the result of an alpha particle coming into a magnetic field?

A) The alpha particle will stop moving.
B) The alpha particle will reverse its direction.
C) The alpha particle will be deflected in a curve path.
Eliminate
D) The alpha particle will continue to travel in a straight line.

Answer 1

Alpha particles are nuclei of helium and consist of two neutrons and two protons. So, they are positively charged.

Then the alpha particle will be deflected by a magnetic field.

Answer 2

C. The alpha particle will be deflected in a curve path.