Apps On Physics

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Apps on physics simulations are for teaching and learning basic physics.

Apps on Physics can be downloaded from https://www.walter-fendt.de/html5/phen/


Contributors, Content Editors, and Reviewers

The Spoken Tutorial Effort for Apps on Physics is being contributed by Ms. Himanshi Karwanje and Ms. Madhuri Ganapathi from IIT Bombay.

Learners - Secondary and higher secondary students, and teachers.

Basic Level

1. Simple Machines

  • Define a Pulley
  • Demonstrate the working of a pulley system
  • Calculate the necessary force to pull the load
  • Demonstrate the working of a lever
  • Define a torque
  • Demonstrate how to achieve a balance condition


2. Inclined Plane

  • Define an inclined plane
  • Uses of an inclined plane
  • Explanation of Inclined Plane App interface
  • Demonstrate the motion of the load on an inclined plane
  • About force vectors
  • Change in the angle of inclination from 0 degrees to 90 degrees
  • About inclination angle
  • Resolution of parallel and perpendicular vectors
  • Calculate the resolution of gravity forces
  • Observe the effect of friction on an inclined plane


3. Linear Motion

  • Demonstrate the motion of a car with a constant acceleration
  • State Newton's first law of motion
  • Explain the following graphs
    • Position v/s time
    • Velocity v/s time
    • Acceleration v/s time
  • Calculate the position and velocity using equation of motion
  • Demonstrate the setup of an air track glider
  • State Newton's second law of motion
  • Verify Newton's second law of motion


4. Forces

  • About the App interface
  • Demonstrate addition of vectors
  • Explain triangle law of vectors
  • Change the magnitude of vectors and show the formation of resultant vector
  • Explain polygon law of vectors
  • Define equilibrium of forces
  • Show a simple experiment to achieve an equilibrium condition
  • Show changes in the angles as force changes


5. Kepler’s laws

  • Explanation of Kepler's Laws App interfaces
  • Define Kepler’s first law
  • Demonstrate Kepler's first law
  • Define Aphelion and Perihelion distances
  • Calculate Aphelion and Perihelion distances
  • About Halley’s comet
  • Define orbital period
  • Define Kepler’s second law
  • Demonstrate Kepler's second law
  • Show the direction of velocity vector
  • Compare the velocities of different planets


6. Circular motion

  • Explain the App interface
  • Demonstrate uniform circular motion
  • Define uniform circular motion
  • Show how position, velocity, acceleration and force vary with time
  • Define angular velocity and angular acceleration
  • Solve numericals based on angular velocity and angular acceleration
  • Demonstrate the motion of a Carousel
  • Change different parameters shown in the Carousel App
  • Define centripetal force
  • Solve a numerical based on centripetal force


7. Sound waves

  • About the App interface
  • Simulate the formation of a standing wave
  • Define and explain a node and an antinode
  • Simulate harmonics of a standing wave
  • Show different vibrational modes of standing waves
  • About constructive interference of sound waves
  • About destructive interference of sound waves
  • Define wavelength and frequency
  • Calculate the wavelength of a standing wave
  • Calculate the frequency of a standing wave


8. Reflection and Refraction

  • About App interfaces
  • Simulate reflection and refraction of light ray
  • Define the Snell’s law
  • Change the medium and angle of incidence to verify Snell's law
  • Verify the formation of total internal reflection
  • Verify the formation of critical angle
  • Calculate the critical angle and tabulate the results
  • About reflection and refraction of waves by Huygens’ principle
  • Show the formation of secondary wavefront
  • Change in the speed and wavelength with respect to the medium


Intermediate Level

1. Convex Lenses

  • About App interface
  • Image formation using a convex lens
  • Change the focal length in the App
  • Change the object distance and object height in the App
  • Determine the characteristics of the image formed
  • Determine the position of the image formed
  • About the ray diagram
  • Calculate the magnification of refracting astronomical telescope
  • Calculate the length of telescope tube


2. Interference and Diffraction

  • About App interface
  • Change the wavelength and width of slit
  • Interpret the interference pattern
  • About constructive and destructive interference
  • Verify the relation between wavelength and relative intensity
  • Tabulate the values of relative intensity, maxima and minima
  • Calculate angle for a given maxima using the condition for maxima
  • Interpret diffraction intensity profile
  • Verify the relation between wavelength and angle in diffraction


3. Magnetism and Electromagnetism

  • Draw magnetic field lines for a bar magnet
  • Verify Right hand thumb rule
  • Verify Fleming’s Left hand rule
  • Verify Fleming’s Right hand rule
  • Specify the direction of the induced current
  • Define a generator
  • Simulate the working of a generator
  • About commutator
  • Show changes in the voltage v/s time graph in the DC generator
  • Show the voltage v/s time graph in the AC generator


4. Ohm's Law and its Applications

  • About App interfaces
  • Change the voltage and observe the change in the current
  • Verify Ohm’s law
  • Draw a graph to find the relation between voltage and current
  • Solve a numerical based on Ohm’s law
  • Convert ampere to milli-ampere
  • Make a tabular column to show the values of voltage and current
  • Solve a numerical based on series and parallel combination
  • Show how to connect ammeter and voltmeter in the circuit
  • Calculate the value of current in the circuit


5. Wheatstone's Bridge and Potentiometer

  • About App interfaces
  • Define a galvanometer
  • Illustrate circuit connections of wheatstone’s bridge
  • Change the resistance of the comparable resistor
  • Calculate the value of unknown resistance in a wheatstone’s bridge
  • Illustrate circuit connections of potentiometer
  • Tabulate the values of resistance, voltage and length
  • Study the graph of voltage v/s length
  • Calculate the value of voltage using Ohm’s law
  • Solve a numerical based on potentiometer

Contributors and Content Editors

Karwanjehimanshi95, Madhurig, Nancyvarkey