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Questions  

Maximum kinetic energy of the positive ion in the cyclotron is (r0 =Radius of cyclotron ,q =charge of ion ,m = mass of ion )

a
q2Br02m
b
qB2r02m
c
q2B2r022m
d
qBr0 2m2

detailed solution

Correct option is C

Kmax  = 12  mv2   and  r0 = mvqB  ⇒  v=qBr0mKmax  = 12  m qBr0m2 = q2B2r022m

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