Q. Cathode rays enter a magnetic field making oblique angle with the lines of magnetic induction. What will be the nature of the path followed?
A) Parabola
B) Helix
C) Circle
D) Straight line
Explanation
(b) When the charged particle enters the magnetic field making angle other than $90^{0}$ with it, the path is helix.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.