|
|
 |
|
|
 |
|
|
 |
|
|
 |
|
|
 |
|
|
 |
|
|
 |
|
|
See how a CCD works |
|
|
This applet will provide students with a database of real stellar and galaxy spectra and a tool from which the equivalent width of a spectral feature can be measured. |
|
|
This is a JAVA photometer. A circular or square aperture can be placed on an image and the flux within the aperture is calculated. |
|
|
Simulate galaxies colliding |
|
|
This applet uses Rob Kennicutt's integrated spectra of 30 nearby galaxies as well as images of those nearby galaxies to form a database from which the students can determine the expansion of the Universe. |
|
|
The Galilean moons |
|
|
This applet shows the relative orbits of Earth and Mars as governed by Kepler's Laws. |
|
|
Equal areas, equal times |
|
|
This applet shows the relative orbits of Earth and Mars as governed by Kepler's Laws. |
|
|
See how the moon's phases are made. |
|
|
Virtual Reality Moon Phase Pictures |
|
|
Planetary Cratering Simulator. |
|
|
This applet is a simulation of how extrasolar Jupiter like planets are discovered around nearby stars as a result of the Doppler 'Wobble' of the host star |
|
|
In this applet the user selects a temperature for a star and the resultant blackbody spectrum for that temperature is shown. |
|
|
The applet uses a virtual detector which can be placed at some distance from a virtual star. |
|
|
Welcome to the solar system simulator, a NASA/JPL/Caltech spyglass on the cosmos. Select from the options below to have the simulator create a color image of your favorite planet or satellite! |
|
|
Absorption |
|
|
Measure the distances to nearby stars |
|
|
The purpose of the applet is to add up to 4 different kinds of stars to reproduce the spectrum of a galaxy. |
|
|
Collisions in two dimensions |
|
|
Let's consider collisions in two dimension: |
|
|
It might seem surprising that a particle moving in a straight lines has angular momentum. |
|
|
This java applet shows you the effects due to different coefficient of restitution. |
|
|
Understand the basic concept of momentum conservation by shooting one shot at various values of the momentum of the projectile and mass of the railcar. |
|
|
Newton's law of motion look the same to all observers in inertial frames of reference. |
|
|
This Java applet deals with the extreme cases of a collision process illustrated by two wagons |
|
|
You can interact with the Impact universe using the control panel or by clicking and dragging your mouse on the animation window. |
|
|
This applet shows the mass bouncing from the walls of the box. The mass moves under the force of gravity, and all collisions are elastic. |
|
|
This applet concerns conservation of linear momentum and to some extent simulates the standard air track cart demonstration in physics. |
|
|
This simulation simulates a completely inelastic collision. |
|
|
This applet simulates a well known experiment which demonstrates the conservation of momentum and energy. |
|
|
See how greenhouse gases cause global warming |
|
|
This applet is designed to show how the population growth drives the demand for power which in turn requires more power generation capacity, which in turn has an environmental consequence. |
|
|
See how weather patterns move across the planet |
|
|
This applet shows the relation between potential energy and kinetic energy and energy loss. |
|
|
Increase/decrease the magnitude of the EMF and the resistors by clicking on the upper/lower part of the object. |
|
|
Increase/decrease the magnitude of the EMF and the resistors by clicking on the upper/lower part of the object. |
|
|
In this demonstration particles are entering the region of the magnetic field with their velocoties being perpendicular to the magnetic field lines. |
|
|
Add terminals and "test charges" and drag things around to see how the forces change. |
|
|
Build a circuit and measure voltage, current, and resistance. |
|
|
This Java applet shows a direct current electrical motor which is reduced to the most important parts for clarity. |
|
|
Place punctual electric charges and visualize the effect of the electric field they create! |
|
|
Electricity is an apparent force in nature that exists whenever there is a net electrical charge between any two objects. |
|
|
This Java applet simulates a generator which is reduced to the most important parts for clarity. |
|
|
You can distort the shape of the coil by dragging the coil with the mouse. An induced current arises. |
|
|
(Circuit 1) |
|
|
(Circuit 2) |
|
|
(Circuit 3) |
|
|
(Circuit 4) |
|
|
(Circuit 5) |
|
|
This Java applet demonstrates the Lorentz force, exerted on a current-carrying conductor swing in the magnetic field of a horseshoe magnet. |
|
|
This simulation simulates the flow of current in a circuit. |
|
|
This applet shows a simple circuit containing one resistor. In addition there is a voltmeter (parallel to the resistor) and an ammeter (in series with the resistor). |
|
|
This exercise will help you determine the relationship between voltage (V), amperage (I) and resistance (R). This relationship is called Ohm's Law |
|
|
This applet will help you calculate your electric energy bill. |
|
|
This applet shows both the ideal gas law as well as the Maxwellian Velocity Distribution by using particles inside a balloon whose temperature can be adjusted. |
|
|
This applet enables the user to perform temperature-pressure experiments on a selected substance in order to determine the conditions under which particular phases of that substance are stable. |
|
|
In this Java simulation the hydrostatic pressure of a liquid is measured with an U-tube manometer |
|
|
This java applet shows a microscopic model for an ideal gas. The pressure that a gas exerts on the walls of its container is a consequence of the collisions of the gas molecules with the walls. |
|
|
In this series of experiments, you will control the action of a piston in a pressure chamber which is filled with an ideal gas. |
|
|
Experiments with the ideal gas laws |
|
|
This is a home work problem shown in many Fundamental Physics textbooks |
|
|
An object immersed in a liquid will be lighter by an amount equal to the weight of the fluid it displaces. |
|
|
This Java applet shows a simple experiment concerning the buoyancy in a liquid: A solid body hanging from a spring balance is dipped into a liquid (by dragging the mouse!). In this case the measured force, which is equal to the difference of weight and buoyant force, is reduced. |
|
|
A simple experiment concerning the equilibrium of three forces is simulated here: |
|
|
A roller-skating cow goes down a grassy hill |
|
|
In this simulation, students can adjust the mass of the box, the magnitude of the external force that is applied to the box (applied force), the co-efficient of friction between the box and the surface, and the angle at which the external force is applied. |
|
|
This applet uses a simple combination of forces, masses and friction to simulate impulse. |
|
|
Newton's Second Law
|
|
|
This java applet show the force diagram and the motion of the system when the frictional forces are present. |
|
|
This Java applet let you familiar with this kind of relation and simple harmonic motion |
|
|
In this simulation two mass are connected by a rope running over a pulley |
|
|
This applet shows the two dimensional spring pendulum: a mass suspended on a spring. |
|
|
This simulation simulates the physics behind a seesaw. |
|
(Addition of Vectors) |
This applet deals with forces exerted on a body (assumed as point-sized). |
|
|
Add vector graphically |
|
|
This java applets try to show : How to add two vector A and B into vector |
|
|
This applet presents the user with an energy level diagram of an atom. The values of the levels (in eV) can be set by parameter tags. |
|
|
This applet shows how a recombination line spectrum is produced |
|
|
Einstein's Explanation of Brownian Motion |
|
|
Qualitative evidence of the microscopic nature of gases is shown by an effect called Brownian motion. |
|
|
View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in single order of magnitudes until you reach an oak tree just outside the National High Magnetic Field Laboratory in Tallahassee, Florida. Then begin to move from the actual size of a leaf into the microscopic world through leaf cell walls, cell nucleus, DNA and finally, into the subatomic universe of electrons and protons. |
|
|
This java applet shows you how to read a vernier. |
|
|
This simulation simulates a one-dimensional kinematics. |
|
|
A happy cow on roller-skates |
|
|
The applet shows a chase. You can see the blue ball's velocity being always directed towards the position of the red ball. |
|
|
Applet shows a yellow dot moving to the right. It intially moves with a uniform velocity . The brake button in the bottom panel can be pressed at any time to decelerate the motion of the dot. |
|
|
Applet begins with car with red dot- I will call it red car from here onwards- entering the gray area from the left and moving across with constant velocity to the right. |
|
|
The red dot shown moves at a constant velocity. The yellow dot starts moving just as the red dot passes it. The yellow dot has a constant acceleration. The thick white line indicates the distance between the centers of the red and yellow dots. |
|
|
The user can control the kinetic energy of the projectile, the angle of the cannon, and choose whether or not to shoot with drag turned on (i.e. shoot through an atmosphere). |
|
|
Applet shows the path of a particle in circular motion in the xy plane and could in addition be made to move along the x - axis or z - axis or both. |
|
|
Applet shows a disc rolling to the right on a horizontal surface |
|
|
Measure g on Earth, The Moon, or Mars |
|
|
This applet shows the positon, velocity and acceleration vectors of a point on the rim of a body rolling without slipping on a stationary surface. |
|
|
This Java applet demonstrates a motion on an inclined plane with constant velocity and the corresponding forces. |
|
|
A rollerskating cow goes down a grassy hill |
|
|
Conservation of energy |
|
|
This java applet let you play with projectile motion. |
|
|
The applet should be helpful in appreciating the Kepler's laws. |
|
|
Applet illustrates the first and second laws of Kepler. |
|
|
This java applet let you play with Kepler's laws and learn more physics insight. |
|
|
This applet shows the relative orbits of Earth and Mars as governed by Kepler's Laws. |
|
|
The speed of a moving body and its direction of movement remain constant according to Newton's first law (law of inertia) if no force acts on it. |
|
|
A speeder is being cased by a police car |
|
|
This Java applet lets you shoot a ball from a mountain on the earth. |
|
|
If a spring with a mass m attached to it is slightly stretched or compresses with displacement x. The restoring force is given by Hooke's Law |
|
|
This java applet illustrates relations between displacement, velocity and acceleration for one dimensional motion. |
|
|
Pendulum Java Applet |
|
|
A virtual pedulum |
|
|
This Java Applet simulates a projectile being launch from ground level with an initial velocity (Vo) at an angle (Ø). |
|
|
This Java applet demonstrates the classic kinematics problem of the flight of a cannonball shot over flat ground. |
|
|
Drag Force is proportional to F = -kV2 |
|
|
Newton had observed that any projectile launched horizontally is, in a sense, an Earth satellite. |
|
|
Would you like to measure your reation time? Would you like to estimate how fast you can drive safely on the highway? |
|
|
There are 10 cars in a row, all moving in the the same direction with the same speed. |
|
|
An object may appear to have one motion to one observer and a different motion to a second observer, depending on how the two observers are moving with respect to one another. |
|
|
This applet shows number of particles in SHM. |
|
|
See the connection between SHM and circular motion |
|
|
Watch and find out the relation between uniform circular motion and simple harmonic motion. |
|
|
This java applet lets you play with mixing light beams and paint pigments. |
|
|
See interference patterns as the wave travels through two openings. |
|
|
See the absorption lines for the different elements on the periodic table |
|
|
See how an image is formed using a converging lens. |
|
|
A diverging lens always forms an upright virtual image. |
|
|
Move the red object using the mouse. A diverging mirror always forms an upright virtual image. The image appeares on the right of the mirror as a gray arrow. |
|
|
This applet displays a prizm and two light beams (one going into the prizm and the other going out). |
|
|
This applet shows a glass slab and two beams of light. |
|
|
Choose the two mediums and see how waves reflect and refract off the barrier between the mediums. |
|
|
Fantastic lens and mirror applet. |
|
|
This java applet lets you play with a virtual pinhole viewer. |
|
|
This java applet lets you play with a thick lens. |
|
|
converging/diverging lens/mirrors |
|
|
Turn on the electron gun and adjust the gap between the slits using the slider. Use the '+' and '-' keys on your keyboard to control gun rate. Press the "backspace" key to wipe the phosphor screen. |
|
|
This java applet shows the physics behind a beam of light impinging at some angle on the smooth/rough surface. (reflection/ total internal reflection/diffuse reflection and refraction) |
|
|
Image from rays of refraction or total internal reflection |
|
|
"The world above the water surface, as seen by a fish" |
|
|
A ray of light coming from the top left strikes the boundary surface of two media. |
|
|
Use Up, down cursor keys to change the angle of incidence. |
|
|
This Java applet simulates a simple refracting astronomical (inverting) telescope, consisting of two lenses which are called the objective and the eyepiece (ocular). |
|
|
This java applet lets you play with shadow and image. |
|
|
This applet shows the simplest case of diffraction, i.e., single slit diffraction. |
|
|
Find the fastest Path |
|
|
This form of Snell's law was actually published by Descartes as the law of Sines. Snell did discover the relationship but articulated it in a different way. Today it is the form used by Descartes that is called Snell's law. |
|
|
Turn the laser on and off by clicking on the power switches. Adjust the gap between the slits using the slider. |
|
|
A simple experiment concerning the equilibrium of three forces is simulated here: |
|
|
This applet shows a symmetrical lever with some mass pieces each of which has a weight of 1.0 N. |
|
|
This java applet shows the advantage of a pulley. |
|
|
You can raise or lower the load with the mouse. |
|
|
This applet shows both the ideal gas law as well as the Maxwellian Velocity Distribution by using particles inside a balloon whose temperature can be adjusted. |
|
|
This java applet show you the physics processes of a Carnot heat engine. |
|
|
This java applet shows a microscopic model for an ideal gas. The pressure that a gas exerts on the walls of its container is a consequence of the collisions of the gas molecules with the walls. |
|
|
This applet is designed to demonstrate what the concept of temperatures is, how pressure is related to temperature under conditions of fixed volume and how the distribution of particle speeds depends on the temperature. |
|
|
In this series of experiments, you will control the action of a piston in a pressure chamber which is filled with an ideal gas. |
|
|
This applet is designed to simulate the diffusion process which occurs when gases of different temperatures are mixed. |
|
|
Read Fits files (universal astronomical image file format) |
|
|
Graph your data |
|
|
Put you data in a spreadsheet |
|
|
This applet demonstrates beats, the result of combining two waves of slightly different frequencies. |
|
|
Adjust the wavelength and amplitude of the two upper waves by clicking and dragging on the grey ball. |
|
|
This applet lets you interactively experience the Doppler Effect. |
|
|
See interference patterns as the wave travels through two openings. |
|
|
Fourier Series |
|
|
The Harmonics Applet allows you to play with harmonics to produce instrument sounds similar to the sounds real instruments make. |
|
|
This java applet let you play with two point sources and watch the effect of interference. |
|
|
Doppler effect and shock wave |
|
|
If a spring with a mass m attached to it is slightly stretched or compresses with displacement x. The restoring force is given by Hooke's Law |
|
|
The SoundScene applet, though our most complicated applet, allows for some of the most interesting and exciting results. |
|
|
See constructive and destructive interference |
|
|
This java applet shows the "Superposition Principle of wave" |
|
|
This java applet let you play with such situation. |
|
|
Choose the two mediums and see how waves reflect and refract off the barrier between the mediums. |
|
|
This java applet let you visualize the difference between transverse wave and longitudinal wave. |
|
|
In traveling wave, energy is propogated in a definite direction and with a definite speed. If we whip one end of a rope back and forth, a traveling wave moves down the rope. |
|
|
This simulation simulates a person pulling a box with mass M across a 3m horizontal surface. |