Question:
A travelling wave represented by $\mathrm{y}=\mathrm{A} \sin (\omega \mathrm{t}-\mathrm{kx})$ is superimposed on another wave represented by $\mathrm{y}=\mathrm{A} \sin (\omega \mathrm{t}+\mathrm{kx})$. The resultant is :-
Correct Option: , 2
Solution:
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