Few Sample problems are listed below. If you want you can submit the solutions of these topics or any other topic of your choice:

1. Waves on a still water with reflection of waves happenning from the edge

2. Multiple shiny spheres in 3D Space demostrating multiple reflections

3. Gravity and air retardation demostration

4. Refraction due to water/glass

5. Soft Shadows demostration

6. Soap Bubble Effect

7. Non-Photorealistic Rendering (like cartoon, charcoal, pencil or ink shading)

8. Reflections on water and other materials

9. Depth Blur

10. Volumetric Smoke using Particle Systems