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A beam of light travelling along x-axis ...

A beam of light travelling along x-axis is described by the magnetic field, `B_z=5xx10^-9Tsin omega (t-x//c)`
Calculating the maximum electric and magnetic forces on a charge, i.e alpha particle
moving along y-axis with a speed of `3xx10^7m//s`, charge on electron =`1.6xx10^-19C`

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