Q. The relation between phase difference $(\mathrm{\Delta}\phi)$ and path difference $(\Delta x)$ is
A) $\mathrm{\Delta}\phi = \frac{2\pi}{\lambda}\Delta x$
B) $\Delta\phi = 2\pi\lambda\Delta x$
C) $\Delta\phi = \frac{2\pi\lambda}{\Delta x}$
D) $\Delta\phi = \frac{2\Delta x}{\lambda}$
Explanation
The correct answer is Option A: $\mathrm{\Delta}\phi = \frac{2\pi}{\lambda}\Delta x$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.