Physics Prac - Mesuring Wavelengths of Light Aim: To determine the approximate value of l for red lighter using a diffraction kit. Theory: Diffraction of light is i explanation of the wave theory of light. Francesco Grimaldi first observed this pillow slip of behvaiour from light. However, Thomas Young was the scientist that was able to derive a numerical formula where l can be calculated. The original audition involved sending white light into a sift with two small holes to serve as point sources. The light from these sources was then projected onto a screen and light and blue-blooded bands were observed. The mathematical formula could then be used later on taking certain measurements.
Equipment: Light source (Ray box), Red cellophane, Double-slit slide, and bar rod (can be already attached to Ray box. Method: 1. tar breed up the radiate box and place red cellophane in clip so that it is over the bulb. 2. Switch on ray box and stand approximately two met...If you want to get a full essay, order it on our website:
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