Question

2 ur
(AN
An alpha particle of mass m moves on a circular path of radius r in a plane inside and normal
to finiform magnetic field B. The time taken by this particle to complete one revolution is......
14 reB
Bre'B
Arme
LA
(B)
(C)
(D)
Be​

Answer 1

Answer:

I don't know what you think about it

Answer 2

Answer:

......................................................

no