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                   What are the characteristics of electromagnetic waves?<br>
 
                   What are the characteristics of electromagnetic waves?<br>
 
                   How are these waves created and detected?<br>
 
                   How are these waves created and detected?<br>
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Source:[http://www.school-for-champions.com/science/electromagnetic_waves.htm#.U05YjGYvnzo  Electromagnetic Spectrum -School for Champions]
    
               '''Questions:-Visible Light'''  
 
               '''Questions:-Visible Light'''  
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                   What are its main characteristics?<br>
 
                   What are its main characteristics?<br>
 
                   How is light created?<br>
 
                   How is light created?<br>
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Source:[http://www.school-for-champions.com/science/light.htm Visible Light-School for Champions]
    
               '''Questions:-X-Rays'''  
 
               '''Questions:-X-Rays'''  
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                   How are x-rays used?<br>
 
                   How are x-rays used?<br>
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Source:[http://www.school-for-champions.com/science/xrays.htm X-Rays-School for Champions]
     
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