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Moving Charges and Magnetism — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMoving Charges and Magnetism1 Mark
MCQ
A charged particle moves through a magnetic field perpendicular to its direction. Then:
  • A
    Kinetic energy changes, but the momentum is constant.
  • ✓
    The momentum changes, but the kinetic energy is constant.
  • C
    Both momentum and kinetic energy of the particle are not constant.
  • D
    Both momentum and kinetic energy of the particle are constant.
✓

Answer

Correct option: B.
The momentum changes, but the kinetic energy is constant.

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