Traveling Electromagnetic Wave Learning Goal: To understand the formula represen

Question

Traveling Electromagnetic Wave Learning Goal: To understand the formula representing a traveling electromagnetic wave. Light, radiant heat (infrared radiation), X rays, and radio waves are all examples of traveling electromagnetic waves. Electromagnetic waves comprise combinations of electric and magnetic fields that are mutually compatible in the sense that the changes in one generate the other. The simplest form of a traveling electromagnetic wave is a plane wave. For a wave traveling in the x direction whose electric field is in the y direction, the electric and magnetic fields are given by This wave is linearly polarized in the y direction. Part F What is the wavelength lambda of the wave described in the problem introduction? Express the wavelength in terms of the other given variables and constants like pi.

Explanation / Answer

electric field, E=Eo*sin(k*x-w*t) j

magnetic field, B=Bo*sin(k*x-w*t) k

here,

w is angula frequency

wave number k=2pi/lambda

there fore,

wave length =lambda=2pi/K

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