MECHANICAL WAVES

WHAT IS SOUND ? A MECHANICAL WAVE ?

The speed of longitudinal mechanical wave in a material is 4300 m/s. young's modulus of the material is 15xx10^(9)N//m^(2) . What is the density of the material?

Questions based on Derivation of energy of electron| Spectrum of hydrogen likes species and drawbacks of Bohr's model of Atom| Wave nature of particles and de-brogile hypothesis| Heisenberg's uncertainity principle and wave mechanical model of Atom

Intensity and interference of string wave | Reflection and transmission of string waves | Mechanical & non mechanical wave | String wave equation of wave | Condition for valid wave equation