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In this section, we study the complications to the double-slit experiment that arise when you also need to take into account the diffraction effect of each slit. To calculate the diffraction pattern for two (or any number of) slits, we need to generalize the method we just used for a single slit.
- 27.3: Young’s Double Slit Experiment
Young’s double slit experiment gave definitive proof of the...
- 27.3: Young’s Double Slit Experiment
Put up a barrier to explore single-slit diffraction and double-slit interference. Experiment with diffraction through elliptical, rectangular, or irregular apertures. Make waves with a dripping faucet, audio speaker, or laser!
Young’s double slit experiment gave definitive proof of the wave character of light. An interference pattern is obtained by the superposition of light from two slits.
25 Ιουν 2024 · Young’s Double-Slit Experiment. The overall aim of this experiment is to investigate the relationship between the slit-screen distance, D, and the fringe width, w. Independent variable = Distance between the slits and the screen, D; Dependent variable = Fringe width, w; Control variables Wavelength of laser light, λ; Slit separation, s
In this section, we study the complications to the double-slit experiment that arise when you also need to take into account the diffraction effect of each slit. To calculate the diffraction pattern for two (or any number of) slits, we need to generalize the method we just used for a single slit.
Double Slit Interference. This is a simulation of diffraction of light by a double slit. Use the sliders to adjust the distance between the slits and the wavelength of the light. Use the checkboxes to show or hide the wavefronts, maxima, and vertical scale.
Example 14.1: Double-Slit Experiment Suppose in the double-slit arrangement, d =0.150mm, L =120cm, λ=833nm, and y =2.00cm . (a) What is the path difference δ for the rays from the two slits arriving at point P? (b) Express this path difference in terms of λ. (c) Does point P correspond to a maximum, a minimum, or an intermediate condition?
