A) 360
B) 180
C) 3
D) 60
Correct Answer: B
Solution :
Key Idea: To reach the solution the given wave equations must be compared with standard equation of progressive wave. |
So, ![]() |
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Comparing Eqs. (i) and (ii) with |
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We have, |
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and ![]() |
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Thus, number of beats produced |
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