A stationary particle of charge q = 2.3 10 -8 C is placed in a laser beam (an el

Question

A stationary particle of charge q = 2.3  10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 1.7  103 W/m2. Determine the magnitudes of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a speed of 3.7  104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the magnitudes of the (c) electric and (d) magnetic forces exerted on the particle.

(a) F =   ---Select--- T W J V N (b) F =   ---Select--- W J N V T (c) F =   ---Select--- T V N W J (d) F =   ---Select--- T J N V W

Explanation / Answer

q= 2.3 * 10^-8 C
I (intensity) = 1.7 * 10^3 W/m^2

I = E^2 / 2c

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