Question

Lasers can be constructed that produce an extremely high intensity electromagnetic wave for a brief time—called pulsed lasers. They are used to ignite nuclear fusion, for example. Such a laser may produce an electromagnetic wave with a maximum electric field strength of 2.5 x 1011 V/m for a time of 1.00 ns. What is the maximum magnetic field strength in the wave?

Answer 1

Answer:

The maximum magnetic field strength is 833.33 T

Explanation:

The maximum magnetic field strength is equal:

$B=\frac{E}{c}$

Where

E = electric field strength = 2.5x10¹¹V/m

c = speed of the light = 3x10⁸m/s

Replacing:

$B=\frac{2.5x10^{11} }{3x10^{8} } =833.33T$