Investigatory Projects Physics


Investigatory Projects in Physics

Repulsorlifts as a Method of Stable Magnetic Levitation
Repulsorlifts were used in the study to find out if they can be used to replace the wheels of a conventional car. It was hypothesized that it will be able to lift a car using magnetic repulsion forces. The different magnets were tested individually with the usual tests for magnetic strength, size, and temperature increase, which were done in the preliminary testing. The prototype road and car were then constructed based on the specifications that had been identified after the preliminary testing. The prototype car’s magnets were permanent magnets while the road magnets were electromagnets. They had been oriented so that the magnets would repel each other.
 
Cost-Effective Free Fall Apparatus
Public Schools do not have sufficient funds for the purchase of a Free-Fall Apparatus, which is used to measure the time for a falling object to hit the switch pad from a certain point. A cost-effective Free-Fall Apparatus was constructed with the aid of recycled materials to serve as a cheaper alternative for this device. This study was intended for the improvement of the original equipment in terms of materials used, structural design, function and price.
 
Para-Toluenesulfonate Doped Polypyrolle as EMF Electrode Source
A conducting polymer was synthesized from polypyrolle doped with paratoluenesulfonate (p-TS) using electrochemical deposition technique to find a substitute for metal electrodes in EMF sources. Samples were produced with varying p-TS molarity, specifically 0.1, 0.15, and 0.2 M. Initial characterization of samples was done using Scanning Electron Microscope (SEM) for surface analysis, and the Energy Dispersive X-ray system (EDX) for elemental analysis. Surface analysis of thin sheets was observed to be fibrillar, while thick samples had globular surface. Traces of Nitrogen, Carbon, Oxygen and Sulfur in decreasing order of concentration, were detected in the EDX system, showing potential as conducting material.
 
Elastomeric Grating for Wavelength Switching
Elastomeric Grating for Wavelength Switching in Optical Communication Systems. A diffraction grating was fabricated from an elastic polymer. It was patterned after a plane reflection grating with a pitch of 1,200 lines/mm. It was characterized using HeNe laser to verify grating properties. Angular scanning as a function of applied strain was observed for two individual wavelengths. Intensity of the fiber output was optimized as an application of angular scanning in fine alignment. Beam profiles showed consistency of first order diffraction intensities at different levels of strain. This showed that the elastomeric grating’s efficiency is independent of strain. The elastomeric grating’s variable pitch can be of immense utility in optical communication systems.

Physics Projects


Chemistry Project on Optical Fiber and its Applications

Optical Fiber and its Applications Name:                                                    A. Ganesh Kumar School:                                               Jindal Vidya Mandir Roll No.:                                                                            17 Index Certificate Acknowledgements Aim Important Terms Optical Fibers Applications Principle Of Operation Mechanism of Attenuation Manufacturing 10. Practical Issue 11. Electronically Based Project 12. Bibliography Acknowledgements I would like to express my sincere gratitude to my physics mentor Mr [...]