A charge particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charge particle increases to 4 times its initial value. What will be the ratio of new radius to the original radius of circular path of the charge particle :
← JEE Main 2022 · 29 Jun · Shift 1
PhysicsSingle correct+4 / -1Question 39 of 90
JEE Main 2022 · 29 Jun · Shift 1, Physics question 39
Answer and worked solution
Official answer: C
Radius : four times the energy doubles it, 2 : 1.
(C)