Magnetic Effects Of Current Question 306
Question: When a magnetic field is applied in a direction perpendicular to the direction of cathode rays, then their [EAMCET 1994; BHU 2005]
Options:
A) Energy decreases
B) Energy increases
C) Momentum increases
D) Momentum and energy remain unchanged
Show Answer
Answer:
Correct Answer: D
Solution:
Since force is perpendicular to direction of motion. energy and magnitude of momentum remains constant.
BETA
