A proton and an α-particle, having kinetic energies K_p and K_α, respectively, enter into a magneti

Q.92. A proton and an α-particle, having kinetic energies K_p and K_α, respectively, enter into a magnetic field at right angles. The ratio of the radii of trajectory of proton to that of α-particle is 2:1. The ratio of K_p:K_α is : a. 1 : 8 b. 8 : 1 c. 1 : 4 d. 4 : 1 JEE Main 18 Mar 2021 EVENING #NEET_PYQ #JEE_PYQ