Harmonic Wave

The general equation of plane progressive wave is \( y=asin2\pi/\lambda(vt-x)\) and its diff...}

Energy and Waves

The amplitude of spherical wave goes on decreasing progressively with distance from the source. T...}

Waves in Strings, Rods and Gases

Velocity of sound was incorrectly measured by Newton but Laplace correctly measured it theoritica...}