https://www.khanacademy.org/science/physics/mechanical-waves-and-sound/sound-topic/v/sound-properties-amplitude-period-frequency-wavelength 2024-06-22T14:02:12.128804105Z Sound properties: amplitude, period, frequency, wavelength How to find the amplitude, period, frequency, and wavelength for a sound wave David SantoPietro video https://cdn.kastatic.org/googleusercontent/-28N2RxY4hD_uRH3j_ZuPkQuA-Iw9NgCxfkJ4xcSSGNPujbIXuqOS0Fe3RRFFPRLrOYnnPhqB3cYeFRImwcoUcv9 Sound properties: amplitude, period, frequency, wavelength How to find the amplitude, period, frequency, and wavelength for a sound wave https://cdn.kastatic.org/ka-youtube-converted/-_xZZt99MzY.mp4/-_xZZt99MzY.mp4 316 Sound https://www.khanacademy.org/science/mh-grade-8-science/x0f256b8de9c7cf34:sound/x0f256b8de9c7cf34:sound-production-and-propogation/e/production-and-propagation-of-sound 2026-03-11T03:40:40.560880416Z Production and Propagation of sound Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/6th-grade-science-matatag/x1c42f0f13f909d5b:3rd-quarter/x1c42f0f13f909d5b:waves/e/characteristics-of-longitudinal-and-transverse-wave 2026-04-08T00:54:09.631945657Z Characteristics of longitudinal and transverse wave Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/in-in-class9th-physics-india/in-in-sound-india/in-in-longitudinal-waves-speed-of-sound/v/after-how-long-ram-hears-a-splash 2020-06-23T07:22:43Z After how long, Ram hears a splash? Ram drops his phone from the bridge. Let's calculate how long it takes him to hear the sound of the splash.  Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/5bx_jzktGocnFopMj8bo5cbzvo75SdM7ONsbsAsM2hiFgX-0iTbj1WTKWz13Hx7rBD1Ome2t_8UiFhkkW_loQxWZuA After how long, Ram hears a splash? Ram drops his phone from the bridge. Let's calculate how long it takes him to hear the sound of the splash.  https://cdn.kastatic.org/ka-youtube-converted/3fzGBo-zvkc.mp4/3fzGBo-zvkc.mp4 690 Sound https://www.khanacademy.org/science/bridge-course-class-11th-physics/x4c0d503cda725c32:sound/x4c0d503cda725c32:basics-of-sound/e/calculating-wave-speed-frequency-and-wavelength 2024-09-13T06:08:49.52492197Z Calculating wave speed, frequency and wavelength Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/up-class-9th-science/x699e14d392a80aeb:sound/x699e14d392a80aeb:longitudinal-waves-speed-of-sound/e/optional-more-questions-on-production-propagation-characteristics-and-calculating-wave-speed-frequency-and-wavelength 2026-04-07T22:59:30.107127435Z More questions on production, propagation, characteristics and calculating wave speed, frequency and wavelength Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/in-in-class9th-physics-india/in-in-sound-india/in-in-reflections-echoes-and-reverberation/v/echoes-and-reverberations 2020-06-23T07:22:40Z Echoes and reverberations Let's learn what Echoes and reverberations are. We will also see how to reduce reverberations as they could be pretty annoying Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/6axEv22HcHOGefCvwYLMnaPkZUjbK39Iu7pae43KGPq-uv6_EITGpQlmkD9DYhh9MPUa89WxyunYbRBAYViTYag9 Echoes and reverberations Let's learn what Echoes and reverberations are. We will also see how to reduce reverberations as they could be pretty annoying https://cdn.kastatic.org/ka-youtube-converted/LR-AYApQbNE.mp4/LR-AYApQbNE.mp4 537 Sound https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:study-of-sound/x345505a97fc4a662:reflection-of-sound/e/echo-and-reverberation 2026-03-12T00:50:35.110583553Z Echo and Reverberation Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:study-of-sound/x345505a97fc4a662:applications-of-reflection-of-sound/e/uses-of-reflection-of-sound-range-of-hearing 2026-03-12T00:50:35.110583553Z Uses of reflection of Sound and Applications of ultrasound Let's solve some questions! vibhor exercise