Physics Practicals Class 10

Refraction of Light Through a Prism

  • Teach science experiments in a gamified way
  • Boost conceptual clarity and knowledge retention
  • Aligned with National Education Policy 2020
  • Helpful in getting NAAC accreditation
  • CBSE, ICSE, and state boards aligned curricula
  • Engaging simulations with easy-to-teach instructions

About Simulation

  • The simulation aims to illustrate the refraction of light through a prism, providing a virtual environment for users to understand the optical phenomenon.
  • Users can interactively explore how light bends as it enters and exits the prism, observing changes in direction and wavelength.
  • Through the simulation interface, users can manipulate parameters such as incident angle, prism geometry, and refractive index to observe their effects on the trajectory of light rays.
  • Different prism shapes (e.g., triangular, rectangular) can be simulated to demonstrate how they influence the deviation of light rays and the dispersion of colors.

Physics Practical Class

  • Users can vary the characteristics of incident light, such as intensity and wavelength, to observe corresponding changes in refraction and dispersion patterns.
  • The simulation visualizes the dispersion of white light into its constituent colors as it passes through the prism, illustrating the phenomenon of chromatic dispersion.
  • Users gain insights into concepts such as Snell's Law, total internal reflection, and the dispersion of light, deepening their understanding of optical principles.
  • The simulation provides a virtual laboratory setting, complete with tools for measuring angles, tracing light rays, and recording observations, mimicking real-world optics experiments.
  • Users encounter practical scenarios where knowledge of light refraction through prisms is applicable, such as in the design of optical instruments like spectrometers and in understanding natural phenomena like rainbows.

Simulation Details

Duration – 30 Minutes
Easily Accessible
Languages – Odia & English
Platforms – Android & Windows


Physics Practical Class

When a ray of light (DE) from air strikes on a face AB of a triangular glass prism ABC, it gets refracted and bends towards the normal to the plane of the face AB. The refracted ray EF travels inside the prism until it strikes its other face AC. Here again, the ray from the glass gets refracted into air but bends away from the normal towards the face BC. The ray FG is the ray that emerges out of the glass prism at the glass-air boundary face AC.

The ray FG that emerges out of the glass prism at the face AC after successive refractions is the emergent ray. Usually, the emergent ray is bent towards the base (BC) of the prism as shown. The angle ∠ IHG between the incident ray DE (when extended) and the emergent ray FG, when produced backward to meet at a point H, is known as the angle of deviation (∠δ).

Requirements for this Science Experiment

  • Prism
  • Pencil
  • Drawing board
  • Protractor
  • Scale
  • Pins
  • White paper

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