MCQ
The relation between phase difference $ (\Delta \phi) $ and path difference $ (\Delta x) $ is
- ✓$\Delta \phi = \frac{{2\pi }}{\lambda }\Delta x$
- B$\Delta \phi = 2\pi \lambda \Delta x$
- C$\Delta \phi = \frac{{2\pi \lambda }}{{\Delta x}}$
- D$\Delta \phi = \frac{{2\Delta x}}{\lambda }$
