Q. Cathode rays travelling from east to west enter into region of electric field directed towards north to south in the plane of paper. The deflection of cathode rays is towards
A) East
B) South
C) West
D) North
Explanation
(d) Cathode rays (stream of negatively charged particles) deflect in opposite direction of field $i.e.$ towards north
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.