Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 6 PCB Single Correct MCQ
Published on: August 13, 2026

An -particle enters into uniform magnetic field perpendicular to its direction, then

A
momentum and kinetic energy both will remain unchanged
B
momentum will change but kinetic energy will remain unchanged
C
momentum and kinetic energy, both will be changed
D
kinetic energy will change but momentum will remain unchanged

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When an -particle enters into a uniform magnetic field perpendicular to its direction, then it moves on circular path in magnetic field i.e., it performs uniform circular motion in magnetic field. In uniform circular motion of -particle, its momentum changes due to change in its velocity but kinetic energy remains unchanged because magnitude of velocity (i.e, speed) always remains constant.

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