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Fluid Mechanics

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2A 10.40 - Pulsed Water Spout

Demonstrates: Surface tension.
Description: Water is regularly pulsed out of spouts so, when viewed with a strobe light, the shape of the droplets are visible.

2A 10.50 - Soap Bubbles

Demonstrates: Surface tension as a function of area.
Description: Various wire frames to dropped into soap solution.

2A 10.60 - Soap Bubble Tension

Demonstrates: The tension of a soap film.
Description: A string in a metal wire frame is inserted into a soap solution, the area in the string is popped and the remaining soap film will pull the string into a circle.

7A 10.12a - LED & Laser 2

Demonstrates: Photoelectric effect
Description: Voltage is created across an LED at increasing levels until it lights; this will be Vmin. Lasers can be shone on a photoresistor to create current in the circuit and light the LED if they are the right frequency