MCQ
Two coherent sources separated by distance d are radiating in phase having wavelength l. A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of n = 4 interference maxima is given as
- A$\sin ^{-1} \frac{ n \lambda}{ d }$
- ✓$\cos ^{-1} \frac{4 \lambda}{d}$
- C$\tan ^{-1} \frac{d}{4 \lambda}$
- D$\cos ^{-1} \frac{\lambda}{4 d}$
