first year notes of chapter 5 "The miracle of Radio"

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                   " The Miracle of Radio"

                                   (Questions and answers)

Q:1: At what speed do wireless waves move? What other waves move at this speed?
Ans: wireless waves and electric waves moves at speed of 2.99 , 792.5 kilometers
         per second. so do the light waves.

Q:2: Why were wireless waves once called 'HertzinWaves' in honour of their discoverer?
Ans: Wireless waves named 'Hertzian' waves in honour of their discoverer
         Heinrich Hertz.

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