2. Waves and Oscillations

Wave Fundamentals — Quiz

Test your understanding of wave fundamentals with 5 practice questions.

Practice Questions

Question 1

Which differential equation correctly describes transverse waves on a string under tension $T$ and linear mass density $\mu$?

Question 2

Which expression gives the speed $v$ of longitudinal sound waves in a fluid with bulk modulus $B$ and density $\rho$?

Question 3

Two sinusoidal waves of equal amplitude $A$ with frequencies $400\,$Hz and $404\,$Hz travel in the same direction. What is the beat frequency observed?

Question 4

A transverse wave on a string with $\mu=0.02\,$kg/m, $v=3.0\,$m/s, $A=0.01\,$m and $f=50\,$Hz transmits average power $\overline{P}$. What is $\overline{P}$?

Question 5

For a transverse wave on a string with $T=100\,$N and $\mu=0.04\,$kg/m, described by $y=A\sin(kx-\omega t)$ with $k=5\,$rad/m, what is $\omega$?