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Sound Notes for SSC CGL, CHSL, IB & Railways Exams

Sound Notes for SSC CGL, CHSL, IB & Railways Exams

Sound Sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid. 1 kHz = 1000 Hz Sound can not travel through vacuum. Sound waves are longitudinal waves. Frequency Range of Audible Sound for Humans: 20 Hz to 20 kHz Children under the age of five and some animals, such as dogs can hear up to 25 kHz. Table of Contents Infrasound Ultrasound Mach Number Characteristics of…

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