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    Generation of electromagnetic waves

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    With the help of Maxwell's equation, explain how he predicted the existence of electromagnetic waves.

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    1.What is a mechanical wave? What are its characteristics?

    A mechanical wave involves transfer of mechanical energy (potential and/or kinetic) in a direction (direction of propagation of the wave) without actual transfer of the molecules of the medium. The molecules of the medium oscillate about a mean position but do not move in the direction of propagation of the wave. Examples of mechanical wave are: waves generated in a placid pond when a stone is dropped at any point, sound waves. Essential characteristics of a mechanical wave are:

    •Molecules of the medium oscillate about a mean position. In case of water waves, the water molecules oscillate up-down about their equilibrium position.
    •Energy transfer takes place continuously either perpendicular to the direction of oscillation of the molecules (transverse waves) or parallel to the direction of oscillations ...

    Solution Summary

    This solution provides a thorough explanation of the properties of electromagnetic waves, Maxwell's contribution to their discovery, and relevant calculations.