Q. Two sound waves having a phase difference of $60^{o}$ have path difference of
A) $2\lambda$
B) $\lambda/2$
C) $\lambda/6$
D) $\lambda/3$
Explanation
(c) Path difference $\mathrm{\Delta}\ = \frac{\lambda}{2\pi} \times \phi = \frac{\lambda}{2\pi} \times \frac{\pi}{3} = \frac{\lambda}{6}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.