Ashok Sharma Solutions for Chapter: Waves, Exercise 1: SELF EVALUATION TEST

Define wave motion. What are its characteristics?

The speed of sound waves depends on temperature but speed of light waves does not, why?

Discuss the term ‘phase’ in a wave motion?

What are the stationary waves? Why do we call them stationary?

Discuss the main characteristics of stationary waves?

Calculate the increase in velocity of sound produced by $1^o \mathrm{C}$ rises in temp. If the velocity of sound at $0^{\mathrm{o}} \mathrm{C}$ is $332 {\mathrm{ms}}^{-1}$?

Explain briefly the analytical method of formation of beats.

What is Doppler effect? Derive a general expression for the apparent frequency when both source and observer are in relative motion?