https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:study-of-sound/x345505a97fc4a662:characteristics-of-sound/v/sound-properties-amplitude-period-frequency-and-wavelength 2025-05-24T09:03:55.951085194Z Sound properties (Amplitude, Period, Frequency and Wavelength) Let's learn about Sound properties! Dubverse video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Sound properties (Amplitude, Period, Frequency and Wavelength) Let's learn about Sound properties! https://cdn.kastatic.org/ka-youtube-converted/Z2X49yP4VC0.mp4/Z2X49yP4VC0.mp4 317 Amplitude, Time period and Frequency https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:waves/x1baed5db7c1bb50b:wave-properties/e/understand-wave-properties 2026-04-07T23:55:07.30621384Z Understand: wave properties Check your understanding of wave properties in this set of free, standards-aligned practice questions. Khan Academy exercise