Superposition Principle and Coherent Sources

According to superposition principle, when two or more wave motions travelling through a medium s...}

Path Difference, Phase Difference and Young's Double Slit Experiment

When the particles completer one to and fro motion, the wave advances by a distanc...}

Newton’s Rings and Determination of the Wavelength of Light

If the radius of curvature R of the lens is much greater than the distance r, and if the system i...}