A proton enters a magnetic field of flux density \[1.5\,weber/{{m}^{2}}\] with a velocity of \[2\times {{10}^{7}}\,m/\sec \] at an angle of \[30{}^\circ \] with the field. The force on the proton will be [MP PET 1994 ; Pb. PMT 2004]

• A.            \[2.4\times {{10}^{-12}}\,N\]
• B.            \[0.24\times {{10}^{-12}}\,N\]
• C.            \[24\times {{10}^{-12}}\,N\] 
• D.            \[0.024\times {{10}^{-12}}\,N\]