Two charged particles traverse identical helical paths in a completely opposite sense in a uniform magnetic field $B = B_0 \hat k$ .
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
- C
They necessarily represent a particle, antiparticle pair
- D
The chrge to mass ratio satisfy ${\left( {\frac{e}{m}} \right)_1} + {\left( {\frac{e}{m}} \right)_2} = 0$
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- [AIPMT 2009]