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Topic: Ripple tank

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	Ripple tank - Wikipedia, the free encyclopedia
		In physics and engineering, a ripple tank is a shallow glass tank of water used in schools and colleges to demonstrate the basic properties of waves.
		The ripple tank is usually illuminated from above, so that the light shines through the water.
		Ripples may be generated by a piece of wood that is suspended above the tank on elastic bands so that it is just touching the surface.
	en.wikipedia.org /wiki/Ripple_tank (842 words)

	Ripple tank
		A ripple tank is a shallow glass tank of water used in schools and colleges to demonstrate the basic properties of waves.
		The tank is illuminated from above, so that the light shines through the water.(Some small ripple tanks fit onto the top of an overhead projector[?] i.e.
		The ripples on the water show up as shadows on the screen underneath the tank.All the basic properties of waves can be demonstrated.
	www.ebroadcast.com.au /lookup/encyclopedia/ri/Ripple_tank.html (575 words)

	The Physics Classroom
		A ripple tank is a large glass-bottomed tank of water which is used to study the behavior of water waves.
		A variety of ripple tank demonstrations were done in class in order to discuss the principles underlying the reflection, refraction, and diffraction of waves.
		Perhaps you recall the ripple tank demonstration performed in class in which a rubber tube having the shape of a parabola was placed within the ripple tank.
	www.physicsclassroom.com /Class/waves/U10L3b.html (1461 words)

	Frank's Ripple Tank Applet (Site not responding. Last check: 2007-10-01)
		The ripple tank on the left has a single wave source whose location is marked by a white dot and whose x and y coordinates are indicated below the tank.
		The ripple tank in the center has a single wave source whose location is marked by a white dot and whose x and y coordinates are indicated below the tank.
		The ripple tank on the right has two sources, marked by white dots located at the same points as the two sources in the other two ripple tanks.
	www.math.montana.edu /frankw/ccp/talks/PKAL-JMU/franksripple.htm (254 words)

	Ripple tank and accessories \| Practical Physics
		The lamp for a ripple tank has a horizontal filament so that when it is in use the filament is parallel to parallel ripples.
		The tanks can be levelled quickly and easily by matching the two reflections of the lamp, one from the glass and one from the water surface.
		A quick way of emptying the tank is to put a rubber tube on the outlet and tilt the tank so that the end of the tube is under water.
	www.practicalphysics.org /go/textonly/Apparatus_27.html (620 words)

	pneumripple (Site not responding. Last check: 2007-10-01)
		Although this version of the ripple tank exploits some more expensive technology, the basic apparatus can be constructed simply and cheaply using equipment normally available in a Demo Lab and by constructing and scavenging the rest.
		The ripple tank is constructed of ~13" square plate glass with acrylic sides glued on w/ Silicone Aquarium sealant.
		The periphery of the interior of the tank uses sloped floor inserts to minimize the reflected waves from the sides.
	www.rose-hulman.edu /~moloney/AppComp/2001Entries/e11s/pneumripple.htm (775 words)

	OU Science : Interactive Zone : Ripple Tank (Site not responding. Last check: 2007-10-01)
		Creating a disturbance in the tank, by dipping a 'cyber finger' in the water, produces ripples that spread out at a fixed speed just like the ripples on a real pond.
		You must click in the space ahead of the ripple created by the previous click After a bit of practice you should find that you are able to produce a clear 'sonic boom' in the wake of the moving object.
		In the case of light this area would represent the spreading cone of 'Cerenkov radiation' that is produced when an electrically charged particle moves through a transparent medium, such as water, at a speed that is somewhere between that of light in water and the somewhat higher speed of light in a vacuum.
	www.open.ac.uk /science/infocus/ripple.htm (388 words)

	Search Results for "ripple"
		Inflected forms: rip·pled, rip·pling, rip·ples To remove seeds from with a comblike,...
		A wavelike motion; an undulation: the ripple of a flag.
		A ripple, as on the surface of water.
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col61&x=10&y=12&query=ripple (257 words)

	RIPPLE TANK-ANALYSIS OF WAVES
		RIPPLE TANK is an apparatus which is used to study the features or characteristics of waves mechanics.
		A ripple tank consists of a rectangular tray containing water.
		When an observer dips a rod or his finger into the water of ripple tank, waves are generated.
	www.citycollegiate.com /ripple_tank.htm (262 words)

	Demo Description
		Ripple tanks are inherently complex to use in classes.
		Experiments which can be performed with this ripple tank include: Huygens's principle, plane waves and circular waves, single slit diffraction, double slit interference, interference between two sources, reflection and refraction of waves at a boundary, focusing by a concave reflector, focusing by lenses, and the Doppler effect.
		Clarence A. Dyer, The Stroboscopic Ripple Tank as a teachi Aid, AJP 5, 208-210, (1937).
	naples.cc.sunysb.edu /CAS/pdemos.nsf/1f3f0d7e5a3c49e5852566db005e4fda/f6d5f9cdfb1928f5852568c0006ccc93?OpenDocument (151 words)

	Ripple tank - Questionz.net , answers to all your questions (Site not responding. Last check: 2007-10-01)
		Properties of waves that can be demonstrated with a ripple tank: Plane waves The ripple motor is connected to a variable 6V DC supply.
		Plane waves will move towards the left.(The brown rectangle is the rippler) Reflection By placing a metal bar in the tank and tapping the wooden bar a pulse of three of four ripples can be sent towards the metal bar.
		Refraction If a sheet of glass is placed in the tank the depth of water in the tank will be shallower over the glass than elsewhere.
	www.questionz.net /How-to/Ripple_tank.html (678 words)

	UIUC Physics Lecture Demo: Ripple Tank on overhead (Site not responding. Last check: 2007-10-01)
		A shallow container of water placed on the overhead is the ripple tank.
		A mechanical vibrator is used to generate the waves with attachments that include a point source, a pair of point sources, and a plane wave attachment.
		Waves produced from the ripple-making motor propagate outwards and collide with a barrier with a small opening, which serves as a source for "wavelets" propagating outwards in the other side of the tank.
	demo.physics.uiuc.edu /LectDemo/scripts/demo_descript.idc?DemoID=48 (164 words)

	PIRA 9C35.00 RIPPLE TANK (Site not responding. Last check: 2007-10-01)
		A mobile ripple tank illuminated by a strobe with air powered wave makers.
		Design of a ripple tank for use on the overhead projector.
		Use a loudspeaker to drive the ripple tank dippers.
	www.physics.ncsu.edu /pira/9equip/9C35.html (146 words)

	WA-9770 Advanced Ripple Tank System - PASCO scientific (Site not responding. Last check: 2007-10-01)
		Frequency may be adjusted from 2 to 20 Hz, amplitude from 0.5 mm to 2 mm p-p, and phase from 0 to 360 degrees.
		Ripple Arm Adjustments -- Three knobs control depth and position of actuators on surface of the water.
		Ripple Tank Optics: 2 large and 2 small rectangular barriers, 1 concave lens, 1 convex lens, 1 triangular prism and 1 curve
	store.pasco.com /pascostore/showdetl.cfm?&DID=9&Product_ID=51654&Detail=1 (504 words)

	Ripple Tank
		The ripple tank consists of a shallow water tank supported above a 45 degree mirror.
		Inside the ripple tank is a mechanical vibrator attached to a paddle that produces either point wavelets or parallel wavefronts.
		The assembled ripple tank is shown in the photo at right.
	www.physics.brown.edu /physics/demopages/Demo/waves/demo/3b5010.htm (188 words)

	Ripple Tank Frequency, Velocity, and Wavelength
		Place a sheet of white paper on the table under the ripple tank.
		Turn the ripple generator frequency control to H. Turn on the stroboscope and use it to freeze the projected image of the waves.
		Using the two arrow buttons on the strobe to adjust the frequency of the strobe until the waves appear to be stationary.
	www.csun.edu /~gsl05670/labs/wave_freq.htm (379 words)

	Interference of two sources (Site not responding. Last check: 2007-10-01)
		The ripple tank starts with two sources, in phase.
		The ripple tank has a wavelength of 2 units.
		Pick one of the "darks" and calculate the path difference of the signals from each source - see how many wavelengths fit into that path difference...
	qbx6.ltu.edu /s_schneider/physlets/main/rippletank.shtml (74 words)

	Interference in a Ripple Tank (Site not responding. Last check: 2007-10-01)
		There are options for viewing thick or thin lines to suit individual taste and an option to turn the pattern off to have an uncluttered view of the ripples.
		The option of no ripples would allow only the lines of constuctive and destuctive interference to be seen.
		Turn off the ripples and change the distance between the sources are the wavelength and observe the pattern of the curves.
	fys.kuleuven.be /pradem/applets/suren/Interference/Ripint.html (177 words)

	WA-9777 Ripple Generator - PASCO scientific
		To create sinusoidal motion, PASCO's Ripple Generator uses a DC motor and cams for actuator motion and a Ripple Generator mounting that is mechanically isolated from the tank.
		The Ripple Generator includes three large and three small actuators and the plane wave actuator (multiple point sources).
		The Ripple Generator is included in PASCO's Introductory Ripple Tank System (WA-9775) and Advanced Ripple Tank System (WA-9770).
	store.pasco.com /pascostore/showdetl.cfm?&DID=9&Product_ID=1634&Detail=1 (180 words)

	Overhead Projector Ripple Tank \| Physics Demonstrations \| Department of Physics & Astronomy \| Faculty of Science \| ...
		With the tank on the overhead projector, run a bead of liquid soap on your finger and apply it to the sides of the ripple tank.
		The soap reduces reflections from the sides of the tank.
		The speed of the plungers (point sources) is varied with the power supply, and one or two point sources may be used.
	www.science.uwaterloo.ca /departments/physics/demo/rippletank.html (118 words)

	Ripple Tanks
		A ripple tank is a very useful model for examining the properties of waves.
		If a water wave behaves in a particular way, then sound waves and electromagnetic waves might be presumed to behave in the same way also.
		When a piece of Perspex or glass is added to the tank the water above it will be shallow.
	www.2soma.com /physics_flashcards/ripple_tanks.htm (531 words)

	ripple tank
		The simulation shows a top view of a source (red dot) making waves on the surface of a tank of water.
		The white circles coming from the spots represent the wave crests with troughs in between.
		Suppose instead of a ripple tank this simulation represented two light sources (which have the same wavelength and are in phase- for example laser light going through the two openings of a double slit experiment).
	physics.ius.edu /~kyle/physlets/waves/rippleA.html (326 words)

	Ripple Tank (Site not responding. Last check: 2007-10-01)
		The tank may be placed upon an overhead
		To show a single plane wave, the tank is lifted and rapidly
		tank glass as a barrier, the plane wave may be used to show diffraction
	www.csulb.edu /web/depts/physics/Issue_Room/lecDemo/rippletank.htm (118 words)

	Educational & Research Items ( RIPPLE TANK )
		With two light alloy uprights to carry a horizontal ripple support rod which is adjustable for height.
		Overall size of the tank 580 x 500 x 80 mm, windows area 370 x 280 mm,
		height of the tank above bench level (with leg attached) approx 375 mm.
	www.somatco.com /rippletank.htm (140 words)

	Tyndall Effect Explained (Site not responding. Last check: 2007-10-01)
		Cut 4 pieces of 1/2" dowel rod so they are long enough to fit across the ripple tank.
		The length of the teeth is not important, but they should be a little longer than the depth of the tank.
		If you did not get an "overhead" ripple tank, mount the light source below the tank for projection onto the ceiling rather than above it (which is normally done).
	mimp.mems.cmu.edu /~ordofmag/tynddemo.htm (471 words)

	Ripple tank (Site not responding. Last check: 2007-10-01)
		To convince you that these interference effects are real we have ripple tank set up.
		We can vary the frequency of these sources by turning a knob and since the wave velocity is a fixed property of the water tank varying the frequency is also a way of varying the wavelength.
		Qualitatively we see that as I increase the wavelength for fixed source spacing the number of lines of constructive and destructive interference varies.
	www.pha.jhu.edu /~broholm/l30/node4.html (191 words)

	Blue Beach Glass: Teagames, Galzanize, Drivey, Ripple Tank & other DOS Games (Site not responding. Last check: 2007-10-01)
		Teagames, Galzanize, Drivey, Ripple Tank & other DOS Games
		Teagames.com is a fair collection of fun and somewhat educational flash games that all seem to demonstrate some sort of simulated natural kinematics.
		Ripple Tank Simulation: "This java applet is a simulation of a ripple tank.
	bluebeachglass.blogspot.com /2005/08/teagames-galzanize-drivey-ripple-tank.html (268 words)

	Wave in a Ripple Tank (Site not responding. Last check: 2007-10-01)
		Produce traveling waves approximately 2 cm apart by adjusting the motor speed of the ripple tank.
		Using a stroboscope, "hold" the wave pattern still, then have your partner mark your data sheet 3 or 4 λ apart.
		Determine the magnification ratio of the image wave / real wave using a washer, then determine the actual λ in the ripple tank from Method I.
	www.frontiernet.net /~jlkeefer/wave_in_a_ripple_tank.htm (179 words)

	Ripple Tank (Site not responding. Last check: 2007-10-01)
		Creates a point source by placing the halogen light so that the filament sits perpendicular to the tank.
		An accessory for the PASCO Ripple Tanks (WA-9775, WA-9770), the Projection Screen Accessory Kit is perfect for displaying wave patterns in large classrooms and lecture halls.
		This Ripple Generator's true sinusoidal motion of the actuators produces the clearest wave patterns in PASCO Ripple Tanks.
	www.pasco.com /products/groups/46-282-1.html (155 words)

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