Waves & Sound Quiz

Wave speed v equals:

Frequency unit is:

Longitudinal waves oscillate:

Sound is:

Constructive interference path difference:

Destructive interference path difference:

Beat frequency is:

Standing wave on string fixed ends fundamental λ:

Nodes are points of:

Doppler effect is change in:

Intensity of sound relates to:

Ultrasound frequency is typically:

Infrasound is:

Phase difference of λ/2 corresponds to:

In Young's double slit, fringe width β =:

Speed of sound in air roughly:

Reflection of wave from fixed end inverts:

Superposition principle applies to:

Resonance occurs when:

Open organ pipe fundamental λ:

Closed pipe fundamental λ:

EM waves are:

Polarization is possible for:

Malus's law:

Beats require:

Wave number k =:

Angular frequency ω =:

Intensity I for spherical wave falls as:

Timbre depends mainly on:

Shock wave forms when source speed is:

Path difference δ related to phase φ by:

In interference, coherent sources have:

Standing waves transport net energy:

Fundamental frequency of string is:

Third harmonic of closed pipe is:

Decibel measures:

Threshold of hearing intensity about:

Wavelength of 340 Hz sound in air (~340 m/s):

Dispersion means:

Group velocity is speed of:

Sonar uses:

In Doppler, observer moving toward source hears:

String wave speed v =:

Interference needs:

Antinode has:

λ related to k by:

Period T =:

Audible range roughly:

Transverse wave example:

Two coherent sources intensity max when phase difference:

Wave with f = 100 Hz and λ = 0.5 m. Speed is:

Wave with f = 200 Hz and λ = 0.6 m. Speed is:

Wave with f = 300 Hz and λ = 0.7 m. Speed is:

Wave with f = 400 Hz and λ = 0.8 m. Speed is:

Wave with f = 500 Hz and λ = 0.9 m. Speed is:

Wave with f = 600 Hz and λ = 0.5 m. Speed is:

Wave with f = 700 Hz and λ = 0.6 m. Speed is:

Wave with f = 800 Hz and λ = 0.7 m. Speed is:

Wave with f = 900 Hz and λ = 0.8 m. Speed is:

Wave with f = 1000 Hz and λ = 0.9 m. Speed is:

Beats between 210 Hz and 215 Hz:

Beats between 211 Hz and 216 Hz:

Beats between 212 Hz and 217 Hz:

Beats between 213 Hz and 218 Hz:

Beats between 214 Hz and 219 Hz:

Beats between 215 Hz and 220 Hz:

Beats between 216 Hz and 221 Hz:

Beats between 217 Hz and 222 Hz:

Beats between 218 Hz and 223 Hz:

Beats between 219 Hz and 224 Hz:

String length L = 0.5 m, fundamental wavelength:

String length L = 0.6 m, fundamental wavelength:

String length L = 0.7 m, fundamental wavelength:

String length L = 0.8 m, fundamental wavelength:

String length L = 0.9 m, fundamental wavelength:

String length L = 0.5 m, fundamental wavelength:

String length L = 0.6 m, fundamental wavelength:

String length L = 0.7 m, fundamental wavelength:

String length L = 0.8 m, fundamental wavelength:

String length L = 0.9 m, fundamental wavelength:

YDS: λ=500 nm, d=0.5 mm, D=1.4 m. Fringe width ≈:

YDS: λ=510 nm, d=0.5 mm, D=1.6 m. Fringe width ≈:

YDS: λ=520 nm, d=0.5 mm, D=1.0 m. Fringe width ≈:

YDS: λ=530 nm, d=0.5 mm, D=1.2 m. Fringe width ≈:

YDS: λ=540 nm, d=0.5 mm, D=1.4 m. Fringe width ≈:

YDS: λ=500 nm, d=0.5 mm, D=1.6 m. Fringe width ≈:

YDS: λ=510 nm, d=0.5 mm, D=1.0 m. Fringe width ≈:

YDS: λ=520 nm, d=0.5 mm, D=1.2 m. Fringe width ≈:

YDS: λ=530 nm, d=0.5 mm, D=1.4 m. Fringe width ≈:

YDS: λ=540 nm, d=0.5 mm, D=1.6 m. Fringe width ≈:

String μ=0.01 kg/m under T=100 N. Wave speed:

String μ=0.01 kg/m under T=110 N. Wave speed:

String μ=0.01 kg/m under T=120 N. Wave speed:

String μ=0.01 kg/m under T=130 N. Wave speed:

String μ=0.01 kg/m under T=140 N. Wave speed:

String μ=0.01 kg/m under T=100 N. Wave speed:

String μ=0.01 kg/m under T=110 N. Wave speed:

String μ=0.01 kg/m under T=120 N. Wave speed:

String μ=0.01 kg/m under T=130 N. Wave speed:

String μ=0.01 kg/m under T=140 N. Wave speed: