Frequency

What is frequency?
→ In simple word frequency means number of event repeating occurs per unit time. Let us take one example so that you can understand more clearly.

→ Unit of Frequency is Hertz. if frequency is high than unit will be Kilohertz(KHz) or Megahertz(MHz). 

    
→Relation between frequency and Time Period is in inverse proportion. F=1/T.



Example:-

  suppose there is one wave who completes 100 cycles or events in 2 seconds than frequency of that wave is, 
           
              frequency of wave= (no, of event occurs) / Unit times
                                          
                                          = 100 / 2 
  
                                          = 50 Hz














In fig. different different waves with different frequencies are shown. Here in 1st wave it is completed 2 event in unit time let say 1 second than frequency of it will be 2 Hz. same for 2nd and 3rd it will be 2.5 Hz and 6 Hz.

If number of repeating event per unit time is increasing than frequency of wave will also increases.

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