An electron is constrained to move along the y-axis with a speed of 0.1\; c (c is the speed of light) in the presence of electromagnetic wave, whose electric field is \vec{E}=30\; \hat{j}\sin (1.5\times 10^{7}t-5\times 10^{-2}x)V/m. The maximum magnetic force experienced by the electron will be : (given c=3\times 10^{8}ms^{-1} and electron charge =1.6\times 10^{-19}C )
Option: 1 3.2\times 10^{-18}N  
Option: 2 2.4\times 10^{-18}N
Option: 3 4.8\times 10^{-19}N
Option: 4 1.6\times 10^{-19}N

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