(a) Obtain the relation connecting particle velocity and wave velocity.
(b) What is wavefunction? What is its significance ?
(c) When a longitudinal wave passes through a medium (liquid or gas) write down the expression for the pressure amplitude of the wave.

What is a longitudinal wave ? In which medium: solid, liquid or gas, can it be produced ?

What is meant by (i) particle velocity and (ii) wave velocity. How are they related ?

When a wave passes through a medium, what type of motion do the particles execute ?

Obtain an expression for the volume strain in a medium when a longitudinal wave propagates through the medium.

Two particles A and B have a phase diference of pi when a sine wave passes through the regin

Suppose that the electric field of an electromagnetic wave in vacuum is E={(3.0 N //C) cos [1.8 rad//m) y +(5.4 xx 10^6 rad // s)t]}hat i (a) What is the direction of propagation of wave? (b) What is the wavelength lambda ? (c) What is the frequency f ? (d) What is the amplitude of the magnetic field of the wave (e) write an expression for the magnetic field of the wave.

When a longitudinal wave travels from one medium to another, a compression is reflected as a rarefaction. What can you say about the medium ?

Write down the equation for the excess pressure when a wave propagates through a medium.

What characterstic of a medium determines the speed of longitudinal wave through it ?

What is a transverse wave ? In which medium: solid, liquid or gas, can it be produced ?