1.Distinguish between Transverse and Longitudinal waves with examples.
2.State Laplace's Correction for speed of sound in air.
3.What are standing (stationary) waves? State nodes and antinodes.
4.State Doppler Effect formula for sound source moving towards a stationary observer.
5.A progressive wave equation is $y = 0.05 \sin(20\pi t - 2\pi x)\text{ m}$. Find amplitude, frequency, wavelength, and wave speed.
6.A stretched string of length $1 \text{ m}$ and mass $10 \text{ g}$ is under tension $100 \text{ N}$. Find fundamental frequency.
7.An organ pipe open at both ends has fundamental frequency $250 \text{ Hz}$. Find fundamental frequency if one end is closed.
8.Two tuning forks of frequencies $256 \text{ Hz}$ and $260 \text{ Hz}$ are sounded together. Find beat frequency and time interval between beats.
