Ultrasonic Apparatus
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Demonstrate the wave nature of sound at relatively short wavelength. Investigate reflection interference of sound waves etc. Transmit speech over microphone or set up a voice link with an FM radio. The equipment operates at a frequency of 40KHz giving a wavelength in air of approximately 8.3mm.
Comprising: Ultrasonic’s transmitter; Ultrasonic receiver; Ultrasonic slave transmitter.