DW401-2W - Ripple tank for overhead projector

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Ripple tank for overhead projector

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Optical, electromagnetic, sound and other wave phenomena
are comparable with the way that waves propagate on the surface of water.
This ripple tank can be used to demonstrate such phenomena
even on a very large scale with the help of an overhead projector.
Depending on the type of wave source used, one-point, two-point
or plane waves can be generated.

By placing various objects in the water tank, experiments on reflection,
refraction and diffraction can be demonstrated.

Supplied materials:
Wave generator
Motor with magnet ripple generator, continuously variable speed;
battery-powered (9 V battery) or hollow jack for 12 V DC power supply;
easy-to-use fi ne height setting on both sides allows quick, optimum adjustment to water level;
steel base

Water tank
Made of acrylic glass;
outer perimeter with two rows of rubber bumpers to avoid reflection;
4 height-adjustable plastic feet
Viewing area: 217 x 217 mm;
dimensions: 257 x 257 mm

Accessories included:
• 2 Rippler generators for concentric waves
• 1 Ripple generator for plane waves
• 1 Reflection plate, 170 mm
• 2 Diffraction plates, 85 mm
• 1 Diffraction plate, 25 mm
• 1 Semi-circular reflection plate, 150 mm
• 1 Object for refraction, 90 x 70 mm
• 1 Bubble level
• 1 Box with lid and storage space shaped for the apparatus

Ripple tank experiments:
• Propagation of various wave types (Huygens’ principle)
• Diffraction at an edge
• Diffraction at a single slit
• Diffraction at a double slit
• Interference of two circular waves
• Reflection from a planar mirror
• Reflection from a concave mirror
• Refraction of plane waves
• Doppler effect