Two charged particles traverse identical helical paths in a compl… - Vidyadip

MCQ

Two charged particles traverse identical helical paths in a completely opposite sense in a uniform magnetic field $B$ = $B_0\hat{k}$

A
They have equal $z$-components of momenta
B
They must have equal charges
✓
They necessarily represent a particleantiparticle pair
D
The charge to mass ratio satisfy:${\left( {\frac{e}{m}} \right)_1} + {\left( {\frac{e}{m}} \right)_2} = 0$

✓

Answer

Correct option: C.

They necessarily represent a particleantiparticle pair

c

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