1.

A proton of energy 200 MeV enters the magnetic field of 5 T. If direction of field is from south to north and motion is upward, the force acting on it will be                     [RPET 1997]

A.            Zero                                         
B.            \[1.6\times {{10}^{-10}}N\]
C.            \[3.2\times {{10}^{-8}}N\]     
D.            \[1.6\times {{10}^{-6}}N\]
Answer» C.            \[3.2\times {{10}^{-8}}N\]     


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