True false magnetic field

  • Thread starter sona1177
  • Start date
  • #1
sona1177
173
1

Homework Statement


Consider a magnetic field in the z direction. Two particles are moving perpendicular to this magnetic field, that is, they are both moving in the x-y plane. It is observed that the particles are both deflected by the magnetic field and they are deflected in opposite directions. Which of the following scenarios can account for this behavior?
they were initially moving in the same direction, but one is uncharged False
they were initially moving in the same direction, but they are oppositely charged TRUE
they were initially moving in opposite directions, but they have the same charge False
they were initially moving in the same direction, but they have the same charge False
they were initially moving in opposite directions, but both are uncharged False
they were initially moving in opposite directions, but they are oppositely charged False

Homework Equations



what am i doing wrong? someone please, help its due in 20 mins!

The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
Phrak
4,265
2
Have you been supplied with a meaning to "opposite directions"?
 
  • #3
Phrak
4,265
2
I fail the person who made up this question. So forfeit goes to the student.

If "opposite direction" means vxB is oppositely signed for the two particles, #2 is correct.
If "opposite direction" refers to a spatial direction, #3 is the correct answer.
 

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