A 2 MeV proton is moving perpendicular to a uniform magnetic field of 2.5 tesla. The force on the proton is [CPMT 1989]

• A.            \[2.5\times {{10}^{-10}}\,N\]
• B.            \[7.6\times {{10}^{-11}}\,N\]
• C.            \[2.5\times {{10}^{-11}}\,N\]
• D.            \[7.6\times {{10}^{-12}}\,N\]