PhysicsEasy120×since 2002Q6780A light beam is described by E=800sinω(t−xc)E = 800\sin \omega \left( {t - {x \over c}} \right)E=800sinω(t−cx). An electron is allowed to move normal to the propagation of light beam with a speed of 3 ×\times× 10⁷ ms^−-−1. What is the maximum magnetic force exerted on the electron?A1.28 ×\times× 10^−-−18 NB1.28 ×\times× 10^−-−21 NC12.8 ×\times× 10^−-−17 ND12.8 ×\times× 10^−-−18 NCheck answerSkip