Experiments & Projects

Here you can watch, learn and perform experiments and also understanding of physics concepts using experiments, realistic applications and project reports.

  • Rainbow at home

    simplest demonstartion how to make Rainbow at my home.

  • Prism : Dispersion of light

    Simple experiment to view the constituent colours of white light Prism Dispersion of Light Rainbow formation Newton's color wheel .

  • Bending of Light Simulation

    Topics Snell's Law Refraction Reflection Optics Prisms Lenses Light Description Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows. Sample Learning Goals Explain how light bends at the interface between two media and what determines the angle. Apply Snell’s law to a laser beam incident on the interface between media. Describe how the speed and wavelength of light changes in different media. Describe the effect of changing wavelength on the angle of refraction. Explain how a prism creates a rainbow.

  • Simulations Ohm's Law

    Topics Ohm's Law Circuits Current Resistance Voltage Description See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law. Sample Learning Goals Predict how current will change when resistance of the circuit is fixed and voltage is varied. Predict how current will change when voltage of the circuit is fixed and resistance is varied.

  • Faraday's Law Simulation

    Topics Faraday's Law Magnetic Field Magnets Description Investigate Faraday's law and how a changing magnetic flux can produce a flow of electricity! Sample Learning Goals Explain what happens when the magnet moves through the coil at different speeds and how this affects the brightness of the bulb and the magnitude & sign of the voltage. Explain the difference between moving the magnet through the coil from the right side versus the left side. Explain the difference between moving magnet through the big coil versus the smaller coil.

  • Buoyant Force

    Topics Gas Buoyancy Description Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink. Sample Learning Goals Determine what causes the the balloon, rigid sphere, and helium balloon to rise up or fall down in the box. Predict how changing a variable among P, V, T, and number influences the motion of the balloons.

  • Simulations for Spring Mass and Oscillations

    Springs Hooke's Law Conservation of Energy Measurement Description A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potential, and thermal energy for each spring. Sample Learning Goals Explain the Conservation of Mechanical Energy concept using kinetic, elastic potential, and gravitational potential energy. Use your understanding of how a spring scale works to determine the mass of an unknown object. Find the value of g on Planet X.

  • Simulation Solar System and Gravitation

    Motion Acceleration Velocity Position Gravity Description Build your own system of heavenly bodies and watch the gravitational ballet. With this orbit simulator, you can set initial positions, velocities, and masses of 2, 3, or 4 bodies, and then see them orbit each other. Sample Learning Goals Predict the necessary mass, velocity, and distance from the sun of a planet in order for this planet to make a circular orbit around a sun. What happens when you increase or decrease the mass of the planet, but keep everything else constant? Does this agree with your prediction? What happens to the orbit of the planet when you increase or decrease the magnitude of the velocity of the planet, but keep everything else constant? What happens to the planet's orbit when the increase or decrease the initial distance between the planet and the sun?

  • Normal Modes 1D & 2D

    Simulations Oscillator Normal Modes Polarization Mass Spring System Frequency Amplitude Phase Description Play with a 1D or 2D system of coupled mass-spring oscillators. Vary the number of masses, set the initial conditions, and watch the system evolve. See the spectrum of normal modes for arbitrary motion. See longitudinal or transverse modes in the 1D system. Sample Learning Goals Explain what a normal mode is. Explain what are the frequency, the amplitude, and the phase of a normal mode. Explain why different normal modes have different frequencies and why higher-numbered modes have higher frequencies. Identify how many normal modes a given system has and be able to sketch the individual modes qualitatively, for both 1D and 2D systems. Explain the distinction between transverse and longitudinal normal modes in a 1D system. Explain how adjusting the phase of a normal mode affects the motion of the system. Explain qualitatively how any arbitrary state of the system can be written as a sum of normal modes; that is, explain the superposition principle. Explain which properties of the system are set by the initial conditions, which properties are time-independent, and which properties are time-dependent. Explain why striking a metal plate in one spot raises the temperature of the plate.

  • Equilibrium of Forces

    Simulation Balance Proportional Reasoning Torque Lever Arm Rotational Equilibrium Description Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game. Sample Learning Goals Predict how objects of various masses can be used to make a plank balance. Predict how changing the positions of the masses on the plank will affect the motion of the plank. Write rules to predict which way a plank will tilt when objects are placed on it. Use your rules to solve puzzles about balancing.

  • Simulations Motion 2-Dimention

    Simlations Motion Acceleration Velocity Description Try the new "Ladybug Motion 2D" simulation for the latest updated version. Learn about position, velocity, and acceleration vectors. Move the ball with the mouse or let the simulation move the ball in four types of motion (2 types of linear, simple harmonic, circle). Sample Learning Goals Is the velocity vector blue or green? How can you tell? Is the acceleration vector blue or green? How can you tell? Explain why the velocity and acceleration vectors behave as they do for the preset motions (linear acceleration I, II, circular motion, & harmonic motion).

  • Forces and Motion Simulations and Demonstration

    Simlations Force Position Velocity Acceleration Description Explore forces and motion as you push household objects up and down a ramp. Lower and raise the ramp to see how the angle of inclination affects the parallel forces. Graphs show forces, energy and work. Sample Learning Goals Predict, qualitatively, how an external force will affect the speed and direction of an object's motion. Explain the effects with the help of a free body diagram. Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa. Explain how the graphs relate to one another. Given a scenario or a graph, sketch all four graphs.

  • Projectile motion - Demonstration and Simulation by PHET

    Simulations and Demonstration Projectile Motion Angle Initial Speed Mass Air Resistance Description Blast a Buick out of a cannon! Learn about projectile motion by firing various objects. Set the angle, initial speed, and mass. Add air resistance. Make a game out of this simulation by trying to hit a target. Sample Learning Goals Predict how varying initial conditions affect a projectile path(various objects, angles, initial speed, mass, diameter, initial height, with and without air resistance). Use reasoning to explain the predictions. Explain common projectile motion terms in their own words. (launch angle, initial speed, initial height, range, final height, time). Describe why using the simulation is a good method for studying projectiles

  • Gravity and Orbits

    Topics Gravitational Force Circular Motion Astronomy Description Move the sun, earth, moon and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it! Sample Learning Goals Describe the relationship between the Sun, Earth, Moon and space station, including orbits and positions Describe the size and distance between the Sun, Earth, Moon and space station Explain how gravity controls the motion of our solar system Identify the variables that affect the strength of gravity Predict how motion would change if gravity was stronger or weaker

  • Hooks law

    Interactive Simulation by PHET. Springs Force Potential Energy Hooke's Law Vectors Spring Constant Stretch and compress springs to explore the relationships between force, spring constant, displacement, and potential energy! Investigate what happens when two springs are connected in series and parallel. Explain the relationships between applied force, spring force, spring constant, displacement, and potential energy. Describe how connecting two springs in series or parallel affects the effective spring constant and the spring forces. Predict how the potential energy stored in the spring changes as the spring constant and displacement change.

  • Demonstration for Real Image by Concave Mirror

    This video features a device that uses a concave mirror to project the image of a small light bulb into an empty light socket. While it is possible to hide the source of the projected light from the viewers, I have found it better to allow students to easily see the source of the hidden light for a better understanding of the behavior of light rays reflected by a concave mirror.

  • Frequency of AC Mains Using Sonometer

    Determine the frequency of A.C by Melde’s apparatus / electric sonometer.

  • Semiconductors Diode Experiments

    You Can Perform the Real Time Results fo Logic Gates Diode Transistors.

  • Project Report Fullwave Rectifier

    In a full wave rectifier circuit we use two diodes, one for each half of the wave. A multiple winding transformer is used whose secondary winding is split equally into two halves with a common center tapped connection.

  • Half Deflection : Galvanometer Resistance

    To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.

  • Internal Resistance: Potentiometer

    Objective: To determine the internal resistance of given primary cell using potentiometer.

  • Comparision of EMFs of Two Cells Using Potentiometer

    Objective: To compare the emf ’s of two given primary cells using potentiometer.

  • Simply Make Vacuum Cleaner

    Learn how to make a vacuum cleaner using bottle, washing machine pipe and single dc motor, its very simple homemade vacuum cleaner show how the vacuum cleaner works.

  • Under Water Candle

    How to burn a candle underwater. Simple science trick. Watch the flame continue to burn beneath the water level as the wax holds back the water.