Q. The following equations represents progressive transverse waves $Z_{1} = A\cos(\omega t - kX)$, $Z_{2} = A\ cos(\omega t + kX)$, $Z_{3} = A\ cos(\omega t - kY)$, $Z_{4} = A\ cos(2\omega t - 2kY)$. A stationary wave will be formed by superposing

A) $Z_{1}and\ Z_{2}$
B) $Z_{1}and\ Z_{4}$
C) $Z_{2}and\ Z_{3}$
D) $Z_{3}and\ Z_{4}$
Explanation

(a) $Z_{1}\ and\ Z_{2}$, are displacements of two waves of same frequency travelling in opposite direction. They will form a stationary wave.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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