A light beam travelling in the x-direction is described by the electric field : `E_(y) = 270 "sin" omega(t-(x)/(c)).` An electron is constrained to move along the y-direction with a speed of `2.0xx10^(7) "ms"^(-1).` find the maximum electric force and maximum magnetic force on the electron.

Explanation

`E = E_(0) sinomega(t - x//c)`
`E_(0) = 270 V//m`
`B_(0)=(E_(0))/(c)= 9xx10^(-7)T`
`F_(0)qE_(0)=1.6 xx 10^(-18) xx 270 = 4.32 xx 10^(-17)N`
`F_(mag) = qvB_(0)= 2.88 xx10^(-18) N`.