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How are electromagnetic waves produced? What is the source of energy of these waves? Write mathematical expressions for electric and magnetic fields of an electromagnetic wave propagating along the z-axis. Write any two important properties of electromagnetic waves.

 

 

 

 
 
 
 
 

Answers (1)

Oscillating charges produces the electromagnetic wave. Source of the energy of the wave is the energy of the source which accelerate/oscillate the charge.

Electric field E_{x}=E_{o}\sin \left ( kz-\omega t \right )

Magnetic field B_{y}=B_{o}\sin \left ( kz-\omega t \right )

Properties

(i) EM waves are transverse in nature

(ii) EM waves can be polarized

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Safeer PP

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