The original frequency of the tunning fork, Physics

A tunning fork produces 4 beats per second with another tunning fork of frequency 256 Hz. The first one is now loaded with a little wax and the beat frequency is found to enhance to 6 per second. What was the original frequency of the tunning fork.

Ans) As Beat frequency =f1-f2=4 (given)

So is f2=256 f1 could be 252 or 260

Now f1 loaded so its frequency will enhance

f1-f2=6

Here it''s asked about original frequency thus f1=260.

 

 

 

 

 

Posted Date: 4/5/2013 1:19:56 AM | Location : United States







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