Description

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.
Mini set with 2 Aluminium reflectors and
perforated plate
Mini set