Q. When a positively charged particle enters a uniform magnetic field with uniform velocity, its trajectory can be (1) a straight line (2) a circle (3) a helix

A) (1) only
B) (1) or (2)
C) (1) or (3)
D) Any one of (1), (2) and (3)
Explanation

The correct answer is Option D: Any one of (1), (2) and (3).

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.