Equation for bandwidth | Young's double slit experiment | 12 Physics Samacheer kalvi | Ln.7

In this video, you can learn equation for bandwidth in Young's double slit experiment from 12 Physics Samacheer kalvi Ln.6 Ray Optics. ✓First step is calculation of path difference. ✓ Second step is condition for bright and dark fringes. ✓ Third step is bandwidth calculation.. For this question, diagram is very important because with the help of a diagram only we can able to derive the expression for path difference.