Correct option (b) 1 Me V
Explanation:
The kinetic energy acquired by a charged particle in a uniform magnetic field B is
![](https://www.sarthaks.com/?qa=blob&qa_blobid=1555965563639286189)
where q and m arc the charge and mass of the particle and R is the radius of circular orbit.
∴ The kinetic energy acquired by proton is
![](https://www.sarthaks.com/?qa=blob&qa_blobid=9976944733706890021)