Magnetics 1 Question 21
21. A particle of mass
perpendicular to the plane of the paper. The length of the Region II is
(a) The particle enters Region III only if its velocity
(c) Path length of the particle in Region II is maximum when velocity
(d) Time spent in Region II is same for any velocity
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Answer:
Correct Answer: 21. (a, c, d)
Solution:
Particle enters in region III if,
radius of circular path,
or
If
and path length will be maximum. If particle returns to region I, time spent in region II will be
