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MMLU-Pro / 9052 / A proton moves in the +z-direction after being accelerated from rest through a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A proton moves in the +z-direction after being accelerated from rest through a potential difference V. The proton then passes through a region with a uniform electric field E in the +x-direction and a uniform magnetic field B in the +y-direction, but the proton’s trajectory is not affected. If the experiment were repeated using a potential difference of 2V, the proton would then be

category

physics

options

  1. deflected in the -y-direction
  2. deflected in both the +x and +y directions
  3. deflected in the -x-direction
  4. deflected in the +x-direction
  5. deflected in the -z-direction
  6. deflected in the +y-direction
  7. not deflected at all
  8. deflected in both the -x and -y directions
  9. deflected in a direction dependent on the initial velocity of the proton
  10. deflected in the +z-direction

src

ori_mmlu-college_physics

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Source and history

upstream_id / Original problem ID
9052
task_id
bb190490-168c-5f37-873f-49b167685275
task_key
default--test--9052
task_revision_id
1
config / split
default / test

Official source

initial import