Q.

What is the beat frequency produced when following two waves are sounded together?
 x1=10sin(404πt5πx) x2=10sin(400πt5πx)
 
 

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a

4

b

1

c

3

d

2

answer is D.

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Detailed Solution

n1=202  Hz   n2=200  Hz   b=n1n2=2

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What is the beat frequency produced when following two waves are sounded together? x1=10sin(404πt−5πx) x2=10sin(400πt−5πx)