1.

For different independent waves are represented by a) `Y_(1)=a_(1)sin omega_(1)t` , b) `Y_(2)=a_(2) sin omega_(2)t` c) `Y_(3)=a_(3) sin omega_(3)t` , d) `Y_(4)=a_(4) sin(omega_(4)t+(pi)/(3))` The sustained interference is possible due toA. (i) and (iii)B. `(i) and (iv)`C. `(iii) and (iv)`D. not possible at all

Answer» Correct Answer - D


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