Astationary particle of charge q = 2.4 × 10^-8 c is placed in a laser beam (an electromagnetic wave) whose intensity is 2.7 × 10^3 w/m^2. determine the maximum magnitude 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 maximum magnitudes of the (c) electric and (d) magnetic forces exerted on the particle.

Explanation:

It is given that,

Charge,

Intensity of electromagnetic wave,

The intensity of electromagnetic wave is given by :

Where

E is the electric field

E = 1426.79 N/C

(a) Electric force,

F = 0.000034 N

or

(b) As the charge is stationary, v = 0

Magnetic force,

(c) If the charge is moving with speed of,

Electric force,

F = 0.000034 N

or

(d) Magnetic force,

Here,

Since,

Hence, this is the required solution.

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