C) 1:2 A proton and an a-particle are injected
into a uniform magnetic field,
perpendicular to the field with equal
velocity. The ratio of their radii of
circular path in a field is
a) 1:1
b) 2:1
c) 1:2
d) V2:1
4 proton and an a-particle are injected
into unifi

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answer:

none of the above. although a banana can be turned into a liquid

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!