Wave-making Waterbath

Composed of a water wave trough, vibrator, strobe light source, and projection equipment, the amplitude of the vibrator should be adjustable. The size of the water trough should not be less than 30cm x 30cm x 35cm, and the screen size should not be less than 26cm x 24cm. Performance requirements: Able to eliminate reflected waves generated at the edges; Can demonstrate that the aperture of the small hole remains unchanged, and adjust the frequency diffraction from inconspicuous to obvious; Be able to demonstrate that the frequency remains unchanged, changing the aperture diffraction of small holes from inconspicuous to obvious; Clear projection and good visibility