Abstract
Young’s double-slit experiment shows characteristics of light that are modeled as indicating a wave nature of light. Other experiments suggest a particle model of light. An experiment is performed with the Fraunhofer pattern from a first mask impinging on a transparent second mask with a slit. The screen pattern is an interference pattern such as produced in Young’s Experiment. An opaque strip between the first and second mask blocks the light of the center maxima from the first mask. The screen interference fringes remained. Moving the glass mask so the slit is removed from light shows the necessity of a slit in the second mask. This suggests a Newtonian type of light model. This experiment rejects the wave models of light.
Highlights
A single model of light has remained a mystery
An experiment is performed with the Fraunhofer pattern from a first mask impinging on a transparent second mask with a slit
An opaque strip between the first and second mask blocks the light of the center maxima from the first mask
Summary
A single model of light has remained a mystery. Some experiments such as the photoelectric effect support the traditional particle model of light. Other experiments such as diffraction and interference support the traditional wave models of light. Several wave models have been developed that describe the interference pattern of light on the screen such as Fraunhofer, Fresnel, Sommerfield and Kirchhoff The slit limitation is crucial in the wave model. The waves from each point across the slit interfere with other waves to form the diffraction pattern. Young’s double-slit experiment is an example of the interference of light.
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