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
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